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Gambro WRO 300 Manual Download Page 61

WRO 300 H

HCEN12481-02/2012

Troubleshooting

61

203

203 CONDUC-
TIVITY STOP

WRO 300 H

WRO 300 H stops, low priority alarm is 

issued,  

flashes, 

message text is displayed.

Alarm sys-
tem delay

30 seconds

Reason

The conductivity value has exceeded the 
stop limit for more than 30 consecutive sec-
onds.

Action

1

Press 

 to silence buzzer

2

Inform responsible medical staff accord-
ing to local procedures

3

The WRO 300 H can be restarted by 

pressing 

. It will stop again if the 

problem persist.  

4

If problem persists discontinue dialysis

5

Notify technical personnel. 

204

204 INSUFFI-
CIENT WATER 
SUPPLY

WRO 300 H

WRO 300 H stops, low priority alarm is 

issued, 

 flashes, message text is 

displayed.

Alarm sys-
tem delay

None

Reason

Lack of feed water.

Action

1

Press 

 to silence buzzer

2

Check the feed water supply

3

Notify technical personnel.

No.

Display text

Alarm
type

Definition 

Summary of Contents for WRO 300

Page 1: ...ation To be filled in by the hospital clinic If you need assistance in setting up using or maintaining the WRO 300 H or if you want to report unexpected operation or events please refer to Postal address Phone number and or web contact address ...

Page 2: ...WRO 300 H Contact information HCEN12481 02 2012 This page is intentionally left blank ...

Page 3: ...anual WRO 300 WRO 300 H HCEN12482 Installation Guide WRO 300 WRO 300 H HCEN12479 WARNING A warning alerts the reader about a situation which if not avoided could result in an adverse reaction injury or death CAUTION The term caution is used for the statement of a hazard alert that warns the reader of a potentially hazardous situation which if not avoided may result in minor or moderate injury to t...

Page 4: ... it should not be used until the condition is rectified The operator should pay attention to alarms and follow the instructions warnings cautions and notes given in the manual The WRO 300 H will perform as designed only if it is used and maintained in accordance with Gambro s written instructions Any warranties made by Gambro with respect to the WRO 300 H are voided if the equipment is not used in...

Page 5: ...t must be kept in its original packing For the qualified technician the WRO 300 WRO 300 H Service Manual is available The Service Manual provides all of the necessary informa tion for the safe and required maintenance of the machine The WRO 300 H is intended for continuous operation ...

Page 6: ... Protective earth ground Consult accompanying documents Follow instructions for use Off power disconnection from the mains On power connection to the mains Type B applied part According to IEC 60601 1 Part of ME EQUIPMENT that in NORMAL USE necessarily comes into physical contact with the PATIENT for ME EQUIPMENT or an ME SYSTEM to perform its function For WRO 300 H the applied part is the product...

Page 7: ...alling water drops This symbol indicates that the water purification unit WRO 300 H contains toxic or hazardous substances or elements The figure 25 indicates the corresponding environmental protection use period of the water purification unit WRO 300 H Valid for Main land China only Recycling symbol General Reject water connection Feed water inlet connection and pressure limitation Loop connectio...

Page 8: ...HCEN12481 02 2012 Stacking limit by number n 3 Temperature limit Humidity limitation Atmospheric pressure limitation No pushing risk for overbalance No sitting risk for overbalance Serial number Catalogue number n ...

Page 9: ...0 H water purification unit are marked with CE conformity marks in their own right The CSA C US mark indicates that the WRO 300 H water purification unit conforms to the requirements related to safety of medical devices for the US and Canada The C and the US adjacent to the CSA mark indicates that the WRO 300 H water purification unit has been evaluated to the applicable ANSI UL and CSA standards ...

Page 10: ...WRO 300 H 10 HCEN12481 02 2012 Manufacturer Gambro Lundia AB Box 10101 Magistratsvägen 16 SE 220 10 LUND Sweden Phone 46 46 16 90 00 Fax 46 46 16 96 96 www gambro com ...

Page 11: ...tenance 25 3 1 Heat disinfection and Low Flow Heat 25 3 1 1 Heat disinfection 26 3 1 2 Low Flow Heat 27 3 2 Chemical disinfection 28 3 2 1 Chemical disinfectants recommended by Gambro 28 3 2 2 Chemical disinfection procedure 29 3 2 3 Residual test after Chemical disinfection 33 3 2 4 Central Chem 34 3 3 Cleaning 35 3 3 1 Warm Acid cleaning 35 3 3 2 Acid Cleaning agents recommended by Gambro 35 3 3...

Page 12: ... 4 3 1 Materials in contact with product water 48 4 4 Environmental data 49 4 4 1 Electromagnetic environment 49 4 5 Safety 55 4 6 Others 55 5 Troubleshooting 57 5 1 Low priority alarms and information signals 57 5 1 1 Audible alarm signal sound pressure 57 5 1 2 General 58 5 1 3 Operation 60 5 1 4 Heat and Low Flow Heat 63 5 1 5 Chemical Cleaning Rinse and Preservation 65 5 1 6 Perform residual t...

Page 13: ...vice can be used in conjunc tion with one dialysis machine provided that the input flow and pressure demands correspond to the output of the device and that it complies with IEC 60601 2 16 The device is intended for hospital clinic and home use CAUTION The water produced by WRO 300 H should be analysed at installation and on a regular basis to verify that it conforms to applicable regula tions or ...

Page 14: ...atures Simple user interface Automated Heat disinfection Chemical disinfection and cleaning modes Auto flush function during Standby periods to minimize stagnant water This manual for WRO 300 H includes instructions for opera ting monitoring cleaning disinfecting and troubleshooting this device from an operator s perspective For installation instruc tions refer to separate Installation Guide ...

Page 15: ...tails about specific low priority alarms and information signals refer to Low priority alarms and information signals on page 57 Low priority alarm When a low priority alarm is issued the yellow LED next to is lit and the signal high low sounds Information signal When an information signal is issued the blue LED next to is lit and the signal high sounds ...

Page 16: ...he previous run period It may be caused by several reasons such as incipient fouling degrada tion of the RO membrane or change in the feed water quality Conductivity alarm The clinic s predefined maximum product water conductivity for water for dialysis has been exceeded for more than 30 con secutive seconds An audible and visual alarm will be issued The WRO 300 H will however continue in operatio...

Page 17: ... of a conductivity alarm set alarm and stop limits to the same value If in case of a conductivity alarm the intention is to allow for continued dialysis in order to finish the ongoing dialysis treatment set the alarm limit at the desired limit The stop limit at which the WRO 300 H will stop then has to be set at a higher value To adjust the limits refer to the Service Manual Low rejection rate not...

Page 18: ...ion will be displayed when the WRO 300 H enters Standby if the set limit has been exceeded for more than 5 consecutive minutes during the previous run period 1 2 3 Mains power switch The mains power switch is only used in service situations to turn off the power The mains power switch is located on the rear side behind a detachable cover Fig 1 1 Mains power switch and fuses 1 2 4 Fuses The fuses F...

Page 19: ...e SELECT or CHEM SELECT Press during the chemical intake procedure to pause Press during dwell period to initiate rinse Press to silence the audible alarm information signal AUDIO OFF Press to reactivate the silenced audible alarm information signal Used to scroll and view data in the display Press any of the arrow buttons to unlock the display and enter the alarm list Pressing both arrow buttons ...

Page 20: ... Low Flow Heat or Cleaning is in progress Slow flash The automated Heat disinfection by time channels is activated only in Standby mode Medium flash The disinfection wand connector is inserted into the chemical intake During selection of procedure in SELECT or CHEM SELECT The chemical intake phase is paused Forced rinse is required 404 RINSE REQUIRED Blue Medium flash The audible alarm information...

Page 21: ...tions for example exchange cartridge in the pre filter When the reminder time expires the notification message will be displayed Further information of setting the Reminders refer to Service Manual Flash indication Time On Off Slow flash 0 4 sec 2 0 sec Medium flash 0 4 sec 0 4 sec NOTE After the reminder time has expired the notification message will only appear once ...

Page 22: ...ew will reappear automatically after 15 seconds It is also possible to return to the Main view by using either or to scroll through the alarm list and the operational data until Main view is displayed Operational data Unit PRODUCT WATER X µS cm FEED WATER X µS cm REJECTION RATE X PRODUCT WATER FLOW X ml min PRODUCT WATER TEMP X C HEAT DAYS SINCE LAST a a Visible depending on settings X CHEM X ACID...

Page 23: ...total chlo rine concentration might exceed 0 1 mg l ppm Severe patient injury may otherwise occur Ensure by testing or by other means that the total chlorine concentration is below 0 1 mg l ppm prior to initiating dialysis treatment NOTE will light up and the WRO 300 H will go into Active Cooldown if the internal water temperature exceeds 45 C will still be lit The procedure will continue until th...

Page 24: ...WRO 300 H 24 Operation HCEN12481 02 2012 This page is intentionally left blank ...

Page 25: ... to ensure acceptable bacteriological quality of the product water according to the clinic s standards As a guideline Gambro recommends a minimum frequency of weekly Heat disinfection to ensure consistent microbiological quality of the product water If the WRO 300 H will not be used for an extended period of time regular automated Heat disinfection preset by the time channels will maintain the mic...

Page 26: ... Heat disinfection proce dure An Active Cooldown is initiated Then the WRO 300 H goes to Standby More information of the settings of Active Cooldown refer to Service Manual NOTE The dialysis machine shall be turned off when the Heat disinfection procedure is performed NOTE The Heat disinfection procedure can also be initiated by the time channels Further information of time channel settings refer ...

Page 27: ...ether with Gambro Dialysis machines please refer to separate instructions for Low Flow Heat Procedure Follow the procedure Heat disinfection on page 26 In step 3 select LOW FLOW HEAT in the SELECT menu Stop of Low Flow Heat Press for at least two seconds to stop Low Flow Heat The WRO 300 H goes to Standby when light goes out after approximately 30 seconds NOTE If power failure occurs during Low Fl...

Page 28: ... Peroxide Gambro order no 103428 WARNING Disinfectants may be toxic Use safety glasses and gloves Refer to manufacturer s instructions WARNING A test for residual disinfectant after rinse must be performed before the initiation of the next dialysis session The residual concentration of the disinfectant in the fluid must be below levels specified by the clinic or by national standards It is essenti...

Page 29: ...fection is in progress and what type of disinfectant is being used NOTE If power failure occurs during Chemical disinfection 404 RINSE REQUIRED is displayed when the WRO 300 H restarts also 401 REMOVE WAND is displayed during the intake phase Press until light goes on to initiate rinse WARNING If the WRO 300 H is not disconnected from the dialysis machine du ring the Chemical disinfection procedur...

Page 30: ...end of the disinfection wand into a container with sufficient amount of disinfectant refer to Chemical disinfectants recommended by Gambro on page 28 Check that the open end of the intake wand is below the solution level and that the clamp is open 7 From CHEM SELECT press to enter the list of available Cleaning and Chemical disinfection programs 8 Select preferred Chemical disinfection program by ...

Page 31: ...e the intake phase is finished CAUTION The Chemical disinfection has to be restarted if alarm 406 INSUF FICIENT INTAKE has appeared Action Pause of chemical intake phase Press until light flashes To continue the intake press again until light goes on Interrupt Chemical disinfection procedure Disconnect the wand connector and press until light goes on to initiate rinse Restart of intake phase Remov...

Page 32: ...ining time to complete the Chemical disinfection procedure is also displayed 14 When the Chemical disinfection program is completed the display will show PERFORM RESIDUAL TEST The indi cation will remain steady lit and the will flash NOTE The conductivity value is checked during the final five minutes of the rinse phase If the value is above the Conductivity notification limit refer to Conductivit...

Page 33: ...ips or other approved test strips or methods 5 Confirm by pressing until light goes out Indication remains steady lit 6 Remove any tag indicating storage with disinfectant If detecting residuals If residuals are detected after starting the WRO 300 H by press ing until light goes on repeat the residual test every five minutes until no residuals can be detected WARNING If the WRO 300 H has been conn...

Page 34: ...tion is fed into a device other than Gambro dialysis machines it is the user s responsibility to ensure that the connected device is compatible with Peracetic acid disinfectants and to establish the procedure for the WRO in combination with the connected device WARNING As the disinfection solution produced by the WRO will enter any device connected to the quick connector on the product water loop ...

Page 35: ...red amount dissolve 100 ml of citric acid in 200 ml of product water from the WRO 300 H This will result in a 2 solution in the WRO 300 H Minnclean AC Required amount according to manufacture s instruction For procedure refer to Cleaning procedure on page 37 WARNING Cleaning agents may be toxic Use safety glasses and gloves Refer to manufacturer s instructions NOTE Other cleaning agents may also b...

Page 36: ...y Gambro P3 Ultrasil 10 Required amount according to manufacture s instruction Minnclean TF Required amount according to manufacture s instruction For procedure refer to Cleaning procedure on page 37 NOTE Other cleaning agents may also be used for the WRO 300 H pro vided that they are approved by the manufacturer for cleaning of thin film composite reverse osmosis membranes made of modified polya ...

Page 37: ...e WRO 300 H Indication will be steady lit and will flash 2 Let the WRO run in normal operation for at least 5 minutes 3 Collect a water sample from the product water line 4 The absence of cleaning chemical in the product water is confirmed if the pH is within 1 0 pH unit of the feed water value checked with a suitable method and if the conducti vity of the product water corresponds to the previous...

Page 38: ...lve 100 ml in two liters of potable tap water Warm water 35 40 C speeds up dissolution Procedure 1 Follow the Chemical disinfection procedure refer to Chemical disinfection procedure on page 29 step 2 step 12 but instead select PRESERVATION in the CHEM SELECT menu 2 After step 12 the display will show 404 RINSE REQUIRED and the buzzer will now sound and the indica tions and will flash Press or ack...

Page 39: ...Check for complete rinse out The required rinse program in the WRO has been designed and validated to ensure complete rinse out of the preservation 1 Press until light goes on to start the WRO Indication will be steady lit and will flash 2 Let the WRO run in normal operation for at least 5 minutes Then press or to show the conductivity value in the display Within 15 seconds the display will return...

Page 40: ...L FLUSH will be displayed and will be lit 3 5 2 Auto flush During Standby Auto flush is regularly performed to exchange water in the WRO if enabled in preset Within specified inter vals the water circulates in the WRO and some water goes to drain 3 6 Exterior cleaning Wipe the outside of the WRO 300 H with a cloth moistened with ethanol 70 or isopropanol 60 NOTE Do not use iodine based or tenside ...

Page 41: ...insulated under the following conditions by Gambro recommended insulation shall be used the minimum feed water temperature is 10 C the minimum ambient temperature is 18 C Product water pressure 0 12 to 0 6 MPa 15 to 85 PSI dur ing RUN mode depending of the consumption from product water loop Quality Depends on feed water quality If potable water is used the following rejection rates will be obtain...

Page 42: ...order no W522001001 should be installed Feed Water Temperature 5 to 30 C Feed Water Quality Potable water should be used Particle filtration shall be used 5μm Carbon filtration shall be used if water is chlorinated see limits below Membrane life expectancy might be reduced if the monitor is ope rated outside the following limits Hardness 0 3 dH 6 ppm as CaCO3 Iron 0 1 mg l Manganese 0 1 mg l Turbi...

Page 43: ... Air will move back and forth in this line because of the variation of the level in the tank Chemical intake The machine is designed to bring in disinfectant cleaning agent through the chemical intake The maximum suction height from chemical intake is 600 mm Fluid Connec tions Designed for flexible reinforced tubing 8 mm x 2 5 mm 5 16 I D The product water loop is designed for flexible reinforced ...

Page 44: ... HCEN12481 02 2012 Temperature measurement Operating range 0 to 105 ºC Accuracy 4 ºC Reverse osmo sis module Membrane material Polyamide thin film composite Membrane configuration Spiral wound Membrane pH tolerance 2 to 11 Values ...

Page 45: ...ngth max 3 5 m minimum 1 mm 220 240 V AC AWG 16 at 100 and 115 V AC Mains plug Continental Europe 230 V AC mains plug CEE 7 VII United Kingdom 230 V AC mains plug BS 1363 A Australia 240 V AC mains plug AS NZS 3112 North America type 100 and 115 V AC Hospital grade earthed plug type IEC 60 083 A5 15 China 220 V AC mains plug PRC 3 Brazil 220 V AC mains plug BR 3 Denmark 230 V AC mains plug DK3 HGA...

Page 46: ...tput voltage 5 0 V DC Low level max output voltage 5 0 V DC Max Current 5 mA DC External connector 8 pins REDEL green External equipment Accessory equipment connected to the WRO 300 H should comply with relevant standards e g IEC 60950 for data processing equip ment Furthermore medical sys tems should comply with IEC 60601 1 1 One important issue to consider when configuring a sys tem is that the ...

Page 47: ... the specific disinfectant Cleaning agents The following cleaning agents may be administered via the chemical intake Citric acid P3 Ultrasil 10 Minnclean AC Minnclean TF Acetic Acid 5 Other cleaning agents may also be used provided that they are approved by the manufacturer for clean ing of thin film composite reverse osmosis membranes made of modified polyamide Follow the manufac turer s instruct...

Page 48: ... Max 205 mm Footprint 185 mm Internal fluid volume Approximately 3 5 litres excluding the product water loop Type Material Polymers PA Polyamide PEEK Polyetheretherketone PEI Polyetherimide PE Polyethylene PFA Flourcarbon POM Polyoxymethylene PP Polypropylene PPS Polyphenylensulphite PVC Polyvinylchloride PVDF Polyvinylidenflurorid Rubber Q Silicone Metals Titanium Stainless steel Others Ceramic ...

Page 49: ...uipment must be kept in its original packing If condensation occurs when moving the equipment between locations with different temperatures and high relative humidity e g outdoor and indoor locations the inside of the equipment must be allowed to dry before switching on the equipment Fluid spillage IP21 as specified in IEC 60529 Value The WRO 300 H is intended for use in the electromagnetic enviro...

Page 50: ... kV Air 6 kV contact 8 kV Air Floors should be wood concrete or ceramic tile If floors are covered with synthetic material the relative humidity should be at least 30 Surge IEC 61000 4 5 1 kV for differ ential mode 2 kV for com mon mode 1 kV for differ ential mode 2kV for com mon mode Mains power quality should be that of a typical commercial or hospital environment Voltage dips short interrup tio...

Page 51: ...Hz to 80 MHz 3 V Portable and mobile RF communi cations equipment should be used no closer to any part of the WRO 300 H including cables than the recommended separation distance calculated from the equation appli cable to the frequency of the trans mitter Recommended separation dis tance where P is the maximum output power rating of the transmitter in watts W according to the trans mitter manufact...

Page 52: ... phones 30 V m Field strengths from fixed RF transmitters as determined by an electromagnetic site survey d should be less than the compli ance level in each frequency rangee Interference may occur in the vicin ity of equipment marked with the following symbol Value ...

Page 53: ...transmitter m 150 kHz to 80 MHz 80 MHz to 800 MHz f 800 MHz to 3 GHz 0 01 0 11 0 11 0 23 0 1 0 37 0 37 0 74 1 1 2 1 2 2 3 10 3 7 3 7 7 4 100 12 12 23 Rated maxi mum output power of mobile phone 2W GSM 3G 0 33 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the equation applicable to the frequency of the tran...

Page 54: ...ters an electro magnetic site survey should be considered If the measured field strength in the location in which the WRO 300 H is used exceeds the applicable RF compliance level above the WRO 300 H should be observed to verify normal operation If abnormal performance is observed additional measures may be necessary such as reorienting or relocating the WRO 300 H e Over the frequency range 150 kHz...

Page 55: ...trical systems IEC 60601 1 11 Requirements for medical electrical equipment and medical electrical systems used in the home healthcare environment WRO 300 H shelf life Validated up to one 1 year during the following conditions The device shall be filled with Memstor solution according to Long time Storage on page 38 or If the storage temperature is below the freezing point the device shall be fill...

Page 56: ...WRO 300 H 56 Technical data HCEN12481 02 2012 This page is intentionally left blank ...

Page 57: ...types of signals Low priority alarm Alarms indicate that a situation has occured that might lead to minor injury or discomfort for example underdialysis or delay in the clinic s dialysis schedule Alarms must be attended to immediately When a low priority alarm is issued the yellow LED next to is lit and the signal high low sounds Information signal Information signals indicate that a situation has...

Page 58: ...ontinue as normal but notify technical personnel 102 102 HIGH LEVEL SEN SOR FAILURE WRO 300 H WRO 300 H stops low priority alarm is issued flashes message text is displayed Alarm sys tem delay None Reason Control unit failure Action 1 Press to silence buzzer 2 Restart unit or notify technical personnel 103 N INTERNAL ERROR a or WRO 300 H WRO 300 H stops low priority alarm or infor mation signal is...

Page 59: ...son Failure of level switch in tank Action 1 Press to silence buzzer 2 Check that no water has flooded from Tank air vent 3 The WRO 300 H can be restarted by pressing 4 Otherwise notify technical personnel a The number N shown before the alarm text identifies which specific kind of alarm that has occurred Reference list for those number refer to Service Manual No Display text Alarm type Definition...

Page 60: ...un period Action 1 Press to silence buzzer 2 Perform cleaning according to local pro cedures 3 If problem persists notify technical per sonnel 202 202 CONDUC TIVITY ALARM WRO 300 H Low priority alarm is issued flashes message text is displayed Alarm sys tem delay 30 seconds Reason The conductivity value has exceeded the alarm limit for more than 30 consecutive se conds Action 1 Press to silence bu...

Page 61: ...Inform responsible medical staff accord ing to local procedures 3 The WRO 300 H can be restarted by pressing It will stop again if the problem persist 4 If problem persists discontinue dialysis 5 Notify technical personnel 204 204 INSUFFI CIENT WATER SUPPLY WRO 300 H WRO 300 H stops low priority alarm is issued flashes message text is displayed Alarm sys tem delay None Reason Lack of feed water Ac...

Page 62: ...to local procedures 3 If problem persists notify technical personnel 206 206 LOW PRODUCT FLOW WRO 300 H When entering Standby mode information signal is issued flashes message text is displayed Alarm sys tem delay 5 minutes Reason The product water flow is below the preset notification limit which indicates that the per formance of the membrane is reduced Action 1 Press to silence buzzer 2 Perform...

Page 63: ...ne Reason Power failure Action 1 Press to silence buzzer 2 Press until WRO 300 H either goes to Standby or an Active Cooldown 302 302 INSUFFI CIENT WATER SUPPLY WRO 300 H WRO 300 H stops low priority alarm is issued flashes message text is displayed Alarm sys tem delay None Reason Lack of feed water Action 1 Press to silence buzzer 2 Check the feed water supply 3 Check for leakage 4 Restart by pre...

Page 64: ...silence buzzer 2 Activate Heat disinfection procedure manually Refer to Heat disinfection and Low Flow Heat on page 25 304 304 INCOR RECT WATER LEVEL WRO 300 H WRO 300 H stops low priority alarm is issued and flash message text is displayed Alarm sys tem delay None Reason Water level in tank is lower than expected Action 1 Press to silence buzzer 2 Check that the dialysis machine is turned off 3 P...

Page 65: ...connector not removed after completion of Chemical intake Action 1 Press to silence buzzer 2 Remove wand from disinfectant intake port 402 402 INSUFFI CIENT WATER SUPPLY WRO 300 H WRO 300 H stops low priority alarm is issued flashes message text is displayed Alarm sys tem delay None Reason Lack of feed water Action 1 Press to silence buzzer 2 Check the feed water supply 3 Check for leakage 4 Resta...

Page 66: ...t after a prolonged rinse Action 1 Press to silence buzzer 2 Perform an extra rinse by pressing until rinse starts 3 If problem persists notify technical personnel 404 404 RINSE REQUIRED WRO 300 H Low priority alarm is issued and flash message text is displayed Alarm sys tem delay None Reason The WRO is filled with chemicals Action 1 Press to silence buzzer 2 Perform rinse by pressing until rinse ...

Page 67: ...estart 4 If the problem persists notify technical personnel 406 406 INSUFFI CIENT INTAKE WRO 300 H Low priority alarm is issued and flash message text is displayed Alarm sys tem delay None Reason The product water conductivity is below the minimum intake conductivity limit Action 1 Press to silence buzzer 2 If the Disinfection Wand is inserted and is pressed a second intake phase is started 3 If t...

Page 68: ...ion 1 Press to silence buzzer 2 Notify technical personnel 408 408 INSERT WAND WRO 300 H WRO 300 H stops low priority alarm is issued flashes message text is displayed Alarm sys tem delay None Reason A Central Chemical disinfection has been ini tiated via the remote control and the Disinfec tion Wand is not inserted Action 1 Press to silence buzzer 2 Insert the Disinfection Wand to continue the Ce...

Page 69: ... delay None Reason A chemical disinfection cleaning preser vation program is completed and a residual test is required Action Perform a residual test according to section 3 No Display text Alarm types Definition None User defined text WRO 300 H When entering Standby mode low prio rity alarm is issued flashes message text is displayed Alarm sys tem delay None Reason A user definition reminder has b...

Page 70: ...ill show WRO 300 and the LED s on the operator s panel will be lit Alarmsystem delay None Reason One reason could be The main board received an incompatible software version from the display unit but the soft ware version on the display unit is not capable of perform the cor rect action and will therefore freeze Action Notify technical personnel ...

Page 71: ... Check list 71 6 Check list Serial no Check conductivity with separate instrument Feed water Product water Reject Date Hours in operation Conductivity μ S cm Temp C Conductivity μ S cm Flow l min Flow l min Rejection rate Remarks ...

Page 72: ...WRO 300 H 72 Check list HCEN12481 02 2012 Feed water Product water Reject Date Hours in operation Conductivity μ S cm Temp C Conductivity μ S cm Flow l min Flow l min Rejection rate Remarks ...

Page 73: ...aning 35 65 Acid 35 Alkaline 36 Complete rinse out 39 Conductivity Alarm 16 Monitoring 16 Notification 16 Stop 17 E Exterior cleaning 40 F Flash indications 21 H Heat disinfection 26 I Indications 20 Intended use 13 Interrupt 31 L Long time Storage 38 Low Flow Heat 27 Low rejection rate Notification 17 M Mains power switch 18 Maintenance 25 Manual Flush 40 O Operation 23 Start 23 Stop 23 Operation...

Page 74: ... H Index HCEN12481 02 2012 T Technical data 41 Chemical disinfection and Cleaning 47 Environmental data 49 Performance and specification 41 Physical data 48 Safety 55 Troubleshooting 57 W Warm Acid cleaning 35 ...

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