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Chapter 7 Troubleshooting

Clearing Alarms

This section explains how to deal with trouble that trips one of the

cabinet’s self-checks. The buzzer can be silenced by pressing any of the

keys, but follow the below procedure as best possible.

When a 1st Degree Alarm Occurs

1. Press either the

keys to silence the buzzer.

2. Check the alarm code

on the display.

3. If the cabinet is running, press the OPER./STOP key to stop the

cabinet.

4. If control power is ON, press the POWER key to shut OFF power

to the instrumentation.

5. Set the main power switch in the OFF position.

6. Remedy the trouble as explained in the Alarm Tables on the following

pages.

7. To resume operation, set the main power switch in the ON position,

press the POWER key and then press the OPER./STOP key

in that order.

When a 2nd Degree Alarm Occurs

When the cause of the trouble persists

1. Check the alarm code

on the display.

2. Press either the

keys to silence the buzzer.

3. Remedy the trouble as explained in the Alarm Tables on the following

pages. When the cause of the trouble has been cleared, normal

control is automatically restored. The alarm

code is cleared.

Procedure

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Содержание LH-113

Страница 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Страница 2: ...113 LU 113 4101204000442 Read this manual carefully before using the equipment Familiarize yourself with all safety precautions before using the equipment Keep this manual handy for future reference A...

Страница 3: ...erein specifically prohibited Careless usage of the sort may result in unexpected damage to the equipment or accident All rights reserved It is strictly forbidden to reproduce any part of this manual...

Страница 4: ...ous consequences may arise with the possibility of death or serious injury to the user if the equipment is handled incorrectly CAUTION This mark means dangerous consequences may arise with the possibi...

Страница 5: ...inet LH LHL LHU LU as well as how to effectively use features and some of the options Quick Reference Reorganizes operation from the instrumentation panel into a simple handy digest Options Communicat...

Страница 6: ...ank supply drain hose 9 mm ID with snap on socket head Connect to the cabinet to supply and drain water not included with LU cabinets 1 Brush Use to clean the humidifying tray not included with LU cab...

Страница 7: ...hapter 3 Installation 3 1 Installation 20 Installation Site Check 20 3 2 Removing Shipping Protection LU cabinets excluded 22 3 3 Drainage Work Not necessary with LU cabinet 23 3 4 Power Supply Work 2...

Страница 8: ...rol 62 4 7 Handy Feature 64 Inner Door Option 64 Chapter 5 Getting More Out of Your Cabinet 5 1 Communication Environment Setup Option 66 Communication Setup Mode 66 5 2 User Setup and Safety Device O...

Страница 9: ...86 7 2 Other Troubles 89 7 3 User Practical Servicing 91 Defrosting 91 Appendix A Major Specifications 92 Temperature and Humidity Cabinet 92 Low Temperature Cabinet 94 B Temperature Humidity Control...

Страница 10: ...e area When exposed to excessive heat these substances may cause fires and or explosions Explosive Substances Inflammable Substances Cont Explosive Substances Nitroglycol nitroglycerine nitrocellulose...

Страница 11: ...ion point of 30 C 22 F Normal hexane ethylene oxide acetone benzene methyl ethyl ketone and other substances with an ignition point above 30 C 22 F and below 0 C 32 F Methanol ethanol xylene pentyl ac...

Страница 12: ...horten service life of internal parts including the refrigerator and packing Corrosive substances include but are not limited to chlorine chlorides and acids Though apparently harmless at ambient temp...

Страница 13: ...x 95 C Absolute low limit Set higher than the cabinet s lowest allowed temperature LH Min 0 C LHL Min 0 C LHU Min 25 C LU Min 25 C Set a minimum 5 C lower than target temperature Set above specimen s...

Страница 14: ...rature alarm Target temperature 10 C Target temperature Absolute low limit temperature alarm Fig 1 1 Temperature alarm settings Safety Device Setting Example High limit temperature In this example the...

Страница 15: ...multiple safety devices abnormal temperatures cannot escape detection even if one of the devices is not working 60 70 75 80 Abnormal temperature detected here If and are not working Time Cabinet tempe...

Страница 16: ...ing it from the hinges The door is heavy and can injure you if it falls on top of you 1 Remove the bolts that lock the hinges x 2 to the door Use an 8 mm wrench Support the door to prevent it from fal...

Страница 17: ...to specimens is turned OFF when the cabinet is not running Using other means to charge specimens leaves the specimens charged in the event of cabinet trouble This can drive up temperature inside the...

Страница 18: ...ide the test area can drip onto the floor Be mindful of dewing also when loading specimens which contain moisture into the cabinet DO NOT turn the refrigerator ON within 5 minutes of turning it OFF or...

Страница 19: ...ing label location For Additional Labels If labels are damaged lost or become otherwise illegible contact the place of purchase or ESPEC CORP for replacements Replacements subject to billing Artisan T...

Страница 20: ...el and water circuit heat exhaust compartment parts by name and function Return to this chapter any time you are not sure where the part being referred to is 2 1 Cabinet Fig 2 1 Front right rear and l...

Страница 21: ...ater Drain port Releases internal pressure buildup and drains overflow from the humidifying tray to the outside Test Area Wet bulb temperature sensor Detects wet bulb temperature test area humidity Ca...

Страница 22: ...up in the constant mode PRGM lamp Lit up in the program mode PV lamp Lit solidly while the test area temperature is displayed SV lamp Lit solidly while the target temperature is displayed Digital lamp...

Страница 23: ...oor which is strong even to bear the weight of the equipment Where subjected to only minimal mechanical vibrations Where not exposed to direct sunlight but which is well ventilated Where ambient tempe...

Страница 24: ...ened It must also be a safe distance from objects on the front side so that the door can be opened A Min 300 mm B Min 300 mm C Min 650 mm D Min 300 mm A specimen power supply control terminal option c...

Страница 25: ...upply work remove the sponges If left inside the cabinet they can absorb water and moisture and provoke leaks 1 Detach the water circuit compartment panel 2 Carefully open the lids to the wick pan wat...

Страница 26: ...ground drainage will flow back into the test area Gravity drainage is used with temperature and humidity cabinets so keep the drain hoses sloped downward to prevent pockets from forming in the line an...

Страница 27: ...plies For 220V AC 7 A 230V AC 6 5 A and higher power supplies Fig 3 3 Electrical outlet with ground and power cable plug For electrical outlets without ground 100V AC 15 A 115V AC 13 A and higher powe...

Страница 28: ...ide while the other is 8 mm wide Depending on the type commercially sold extension cords will not fit the plug Also extension cords are generally less reliable and less safe than fixed electrical outl...

Страница 29: ...Press the POWER key and run the cabinet at 30 C and 40 RH For details see Chapter 4 Operation 1 Prepare a water source a minimum of 500 mm higher than the water tank nipple on the cabinet rear 2 Conn...

Страница 30: ...from when the EMPTY first starts flashing until it shuts down completely Checking Water Level in the Humidifying Tray Check water in the humidifying tray is high enough Check that the humidifying heat...

Страница 31: ...check 3 Reattach the water circuit heat exhaust compartment panel If water level in the humidifying tray water level regulator is low or high regulate it as follows 1 Loosen the position adjusting sc...

Страница 32: ...ls so as not to block air circulation inside the test area Temperature humidity uniformity drops if air cannot flow freely which will throw off test results You may freely change the position of the s...

Страница 33: ...the specimen power supply control terminals to apply voltage to specimens Using other means to charge specimens can drive up temperature inside the cabinet as specimens generate heat This can damage...

Страница 34: ...h 1 A or more power Be sure to fit the line with a suitable capacity contactor and fuse Specimen Power supply for specimen Specimen power supply control terminal Fuse Test area Fuse Contactor Fig 4 4...

Страница 35: ...rminals Insert the wire leads into the top 2 slots on the terminal plug and tighten the screw with a slotted head screwdriver Lead Specimen power supply control terminals These terminals are not used...

Страница 36: ...n cables through the cable port Use a specimen cable that can withstand test conditions Refer to the following table for possible cable types Table 4 1 Cable type and withstand temperature Cable type...

Страница 37: ...ough the top hole and the wick pan through the bottom hole Remove the wet bulb wick for temperature only tests especially if running the cabinet above ambient temperature Should the wick dry out it wi...

Страница 38: ...h LU cabinet 1 Check water in the wick pan is at the level shown in the below figure Wick Pan Normally about 8 mm Fig 4 11 Wick pan water level 2 It takes time to fill the wick pan with water 3 If wat...

Страница 39: ...nder remote control 1 Test area temperature humidity 2 Target temperature humidity 3 Time remaining to step end 4 Target step exposure time While on standby or in constant mode While running in progra...

Страница 40: ...r ON OFF 11 Dry bulb temperature calibration 12 Wet bulb temperature calibration 3 E BUS transmission speed 1 Communication setup top display 2 E BUS address To monitor mode Communication setup mode O...

Страница 41: ...igh low limit temperature humidity alarms BEFORE beginning tests Set alarms according to the type of specimens and test conditions Unless properly set the absolute high low limit temperature humidity...

Страница 42: ...viation limit temperature the upper deviation limit temperature alarm trips For details on alarm settings see 1 2 Specimen Protection Safety Devices Upper deviation limit temperature Absolute high lim...

Страница 43: ...Selects the digit ENT Enter changes Setting range Target temperature Absolute high limit temperature Highest settable temperature ALARM SET Press the NEXT key and move to the next setting 2 Absolute l...

Страница 44: ...umidity Changes the value Selects the digit ENT Enter changes Setting range Target humidity Absolute high limit humidity 100 RH ALARM SET Press the NEXT key and move to the next setting 5 Absolute low...

Страница 45: ...ts and inputs settings Selects the digit ENT Enters changes to settings Unless the ENT key is pressed changes you make to settings will not be updated NEXT Moves to the next setting In this manual ind...

Страница 46: ...nters the selection Stands for Humidity CONST SET Press the NEXT key and move to the next setting 3 Target humidity Not necessary for LU cabinet Target humidity Changes the value Selects the digit ENT...

Страница 47: ...the setting Make the setting Step 2 setup Enter the setting Input settings as needed for step 3 and after Make the setting Select END and press the ENT key Step Settings and Selections No temperature...

Страница 48: ...s The program edit task selection will appear on the display Operation Selects and inputs settings Selects the digit ENT Enters changes to settings Unless the ENT key is pressed changes you make to se...

Страница 49: ...mperature 20 Humidity control OFF 1 h Soak control ON 1 repeat cycle 2 repeat cycle 2 2 2 4 Number of steps Temperature and humidity link control Humidity control ON OFF ON ON ON ON 20 20 85 20 ON OFF...

Страница 50: ...the old program and then set up the new program Select EDIT and press the ENT key Then go to the step edit content selection step 2 in this procedure 2 Step edit content selection STEP END SAVE Selec...

Страница 51: ...ature humidity link control ON Go to the target temperature setting step 5 in this procedure OFF Turns temperature humidity link control OFF Go to the exposure time setting step 8 in this procedure EN...

Страница 52: ...key PRGM SET Humidity control status ON Turns humidity control ON Go to the target humidity setting step 7 in this procedure OFF Turns humidity control OFF Go to the exposure time setting step 8 in th...

Страница 53: ...a given step is counted down only while the temperature humidity is within the set attainment range for the set holding time So the time specimens are exposed to the target temperature will equal the...

Страница 54: ...N in step No 1 setup Press the NEXT key and move to the next setting 11 Humidity ramp control ON OFF Not necessary for LU cabinet Select OFF and press the ENT key Then press the NEXT key In ramp contr...

Страница 55: ...e next step No select STEP and press the ENT key 3 Input the setup No Input 2 and press the ENT key Then press the NEXT key 4 Turn temperature humidity link control ON Select ON and press the ENT key...

Страница 56: ...elect OFF and press the ENT key Then press the NEXT key 10 Turn temperature ramp control OFF Select OFF and press the ENT key Then press the NEXT key 11 Turn humidity ramp control OFF Select OFF and p...

Страница 57: ...have now completed program setup therefore select END and press the ENT key Step edit content selection STEP Selects step input END Moves to number of repeat cycles setting and end mode setting SAVE S...

Страница 58: ...n The number of repeat cycles can be set between 0 and 99 If the number of repeat cycles is set to 0 the program will be executed as usual without repeating any specific part Stands for Counter PRGM S...

Страница 59: ...ill appear on the display therefore correct the repeat range to satisfy the condition Repeat counter start step Repeat counter end step Number of registered steps Stands for End PRGM SET Press the NEX...

Страница 60: ...t first saving the program changes you made to the program will be lost Step edit content selection STEP Selects step input END Moves to number of repeat cycles setting and end mode setting SAVE Saves...

Страница 61: ...esumed by pressing the PRGM OPER STOP key However when the program is resumed it starts again from step No 1 You cannot switch between the program and constant modes while tests are running First stop...

Страница 62: ...erature and humidity Test area temperature MONITOR SV CONST RUN RH Test area humidity Not displayed with LU cabinet If humidity control has been turned OFF OFF is displayed here Press the NEXT key and...

Страница 63: ...umidity Not displayed with LU cabinet If humidity control has been turned OFF OFF is displayed here MONITOR SV CONST RUN RH Press the NEXT key and move to the next setting 2 Target temperature and hum...

Страница 64: ...number of repeat cycles are displayed If 0 was set for the number of repeat cycles this monitor item is automatically skipped MONITOR PRGM RUN Stands for Counter Press the NEXT key and move to the ne...

Страница 65: ...midity Not displayed with LU cabinet If humidity control has been turned OFF OFF is displayed here MONITOR SV CONST RUN RH REMOTE Press the NEXT key and move to the next setting 2 Target temperature a...

Страница 66: ...splayed either in the range of 00 h 00 min to 99 h 59 min or 100 to 999 hours MONITOR PRGM RUN SV REMOTE h min Press the NEXT key and move to the next setting 1 Test area temperature and humidity Arti...

Страница 67: ...ses reinforced glass do not subject it to string impacts HOT Immediately after operation at high temperature and high humidity hot air can be blown from the cabinet and hot water can drip from A in th...

Страница 68: ...an jam the tip between the inner door and the cabinet door If this happens open the door and free the wiper Before closing the inner door check the wiper is not protruding outside the inner door frame...

Страница 69: ...nication items Getting communication setup mode Set the main power switch in the ON position and press the POWER key With the temperature and humidity monitor on the display press the SET key 4 times...

Страница 70: ...B and RS 232C communications see the Communication Function Option User s Manual 2 E BUS address Stands for E BUS Currently set address Selects and inputs settings Selects the digit ENT Enters changes...

Страница 71: ...on the display While in the monitor mode press the SET key 5 times This will get the User Setup Mode and display the mode s top display Operation Selects and inputs settings Selects the digit ENT Ente...

Страница 72: ...lows operation mode changes ENT Enters the selection When the operation lock is ON you cannot change the operation mode or turn the power OFF Stands for Operation Lock SYSTEM Press the NEXT key and mo...

Страница 73: ...nment range Change the value Selects the digit ENT Enters the selection Setting range 0 1 Temperature attainment range 10 SYSTEM Press the NEXT key and move to the next setting 7 Temperature attainmen...

Страница 74: ...inet Stands for Stability Humidity 2 Humidity attainment range sec Change the value Selects the digit ENT Enters the selection Setting range 1 second humidity attainment holding time 9999 seconds SYST...

Страница 75: ...temperature is 60 0 C and the calibration value is changed from 0 0 C to 0 2 C while testing is in progress the display will read 59 8 C After that test area temperature is controlled to 60 0 C or 0...

Страница 76: ...e offset 5 0 SYSTEM How to read the current wet bulb temperature Press the key until the far right digit starts flashing At that moment the wet bulb temperature will be displayed in the message area f...

Страница 77: ...onitor Mode Set the main power switch in the ON position and press the POWER key With the temperature and humidity monitor on the display press the SET key 6 times The top display in the system enviro...

Страница 78: ...the NEXT key and move to the next setting 4 Control software ladder version Stands for Ladder SYSTEM Version of currently installed control software Press the NEXT key and move to the next setting 1 S...

Страница 79: ...gulator water level check Not necessary for LU cabinet Once every three months When cabinet is relocated See 3 4 Water Level Check Maintenance list For an explanation on each maintenance item see 6 3...

Страница 80: ...leakage breaker in the main power switch trips the switch s lever falls halfway between the ON and OFF positions To turn power back ON again first set the switch to the OFF position and then to the ON...

Страница 81: ...d the Alarm screen will be appear on the display when temperature inside the cabinet reaches the overheat protector setting If the buzzer doesn t sound something is wrong with the equipment Contact th...

Страница 82: ...e screw from the top of the lower front panel This will require a Phillips screwdriver 3 Lean the panel downward from its top edge and lift up and out at an angle Screw Lower front panel Fig 6 2 Detac...

Страница 83: ...ater supply drain hose add water to the tank 4 When the tank is about 2 3 full drain it empty again 5 Repeat steps 3 and 4 two to three times Electromagnetic Pump Water Tank Protective Strainer Cleani...

Страница 84: ...of projections or sharp edges inside the cabinet For your safety always wear gloves when working inside the cabinet HOT ON THE INSIDE Cool down the test area before cleaning the humidifying tray Durin...

Страница 85: ...ry test 1 Open the cabinet door 2 Wipe walls and parts clean with a soft cloth 3 Close the door Water Circuit Heat Exhaust Compartment Cleaning Dust buildup inside the water circuit heat exhaust compa...

Страница 86: ...t OFF primary power supply Drying the test area The cabinet is run to dry the test area Turn humidity control OFF and run the cabinet at a minimum 70 C for about 60 minutes After that crack the cabine...

Страница 87: ...equipped with a buzzer that sounds when detects trouble as well as self check features which display the trouble on the instrumentation panel display Displayed alarm codes and their content are given...

Страница 88: ...Set the main power switch in the OFF position 6 Remedy the trouble as explained in the Alarm Tables on the following pages 7 To resume operation set the main power switch in the ON position press the...

Страница 89: ...cted thermocouple Turn control power OFF from the POWER key and resume testing If the same alarm occurs again call for service 1st 0 Not applicable to LU cabinet The wet bulb input to the temperature...

Страница 90: ...overheat protector is set too low Turn control power OFF from the POWER key Remove the heat generating specimens and or correct the overheat protector setting Resume testing If the same alarm occurs a...

Страница 91: ...een sufficiently supplied to the main water tank the alarm can be cleared by pressing the or keys If the same alarm occurs again call for service The instrumentation detected communication trouble bet...

Страница 92: ...tion is strange System trouble or internal board trouble Switch the main power switch OFF and ON If the same trouble reoccurs call for service Something is caught in the door Remove the obstruction Fr...

Страница 93: ...the specimen heat load Temperature gradually rises higher than the target temperature Frost has formed on the cooler Defrost the cabinet Not necessary for LH cabinets See 7 3 User Practical Servicing...

Страница 94: ...viewing window on the inside If frost forms on the cabinet door gasket and alarm AL26 is displayed during temperature humidity operation Use this procedure to defrost packing as well How to defrost c...

Страница 95: ...re heater Humidifier Sheathed heater Construction Refrigerator Air cooled hermetically sealed R134a Operation modes Program Constant setting Setter Mechanical key input Program memory capacity 1 progr...

Страница 96: ...out a dehumidifying cooler Therefore temperature humidity control range and especially the low temperature range will vary according to installation environmental conditions ventilation fluctuation in...

Страница 97: ...with 9 steps Repeat cycles 1 99 Control principle PID control Communications E BUS option GP IB option RS 232C option Temperature controller Functions Input burnout detection function upper and lower...

Страница 98: ...ter of low heat load and a humidifying heater 2 in real time The central unit which controls everything is the temperature and humidity controller The instrumentation acts as the user interface Instru...

Страница 99: ...Cabinet stand mechanical parts compartment outer shell Copper 4 5kg Refrigerator piping Brass 0 2kg Piping couplings Aluminum 2 5 kg Evaporator condenser Synthetics Plastic 5 0 kg Wiring insulation Ru...

Страница 100: ...spare parts and servicing contact the place of purchase ESPEC ENGINEERING CORP or ESPEC CORP Table D 1 Consumable parts and replacement interval Part Replacement interval Replacement procedure Wet bu...

Страница 101: ...ication function Enables cabinet operation and management from a cable connected PC station etc E BUS GP IB RS 232C Communications cable Cable used for communicating with PCs etc E BUS Select between...

Страница 102: ...om the outside Standard performance specifications are not satisfied because of the inner door modification Portable water tank Replenishes water supply in the standard water tank inside cabinet Hose...

Страница 103: ...ettings over 100 hours 5 8 is displayed when a running program is stopped 7 This monitor item is automatically skipped if 0 was set for the number of repeat cycles 11 12 is displayed when a program ru...

Страница 104: ...15 These monitor items are automatically skipped with LU cabinets or when OFF is selected Target humidity 15 Constant Setup Mode Set with and keys Enter with ENT Set with and keys Enter with ENT Set w...

Страница 105: ...keys Enter with ENT Set with and keys Enter with ENT Set with and keys Enter with ENT Set with and keys Enter with ENT PRGM SET PRGM SET PRGM SET PRGM SET PRGM SET PRGM SET PRGM SET PRGM SET PRGM SET...

Страница 106: ...ter with ENT Set with and keys Enter with ENT Set with and keys Enter with ENT Set with and keys Enter with ENT Set with and keys Enter with ENT Set with and keys Enter with ENT Set with and keys Ente...

Страница 107: ...nitor top display Cabinet model code ROM version Control software Ladder version SYSTEM SYSTEM SYSTEM SYSTEM SYSTEM SYSTEM SYSTEM SYSTEM SYSTEM SYSTEM SYSTEM SYSTEM SYSTEM SYSTEM SYSTEM SYSTEM key key...

Страница 108: ...7 1 2 3 4 5 6 8 9 Temperature and humidity link control Humidity control ON OFF Target humidity Humidity ramp control ON OFF Step No Soak control Target temperature Step exposure time Temperature ram...

Страница 109: ...81 6 6358 4741 Fax 81 6 6358 5500 Printed in Japan User s Manual Temperature and Humidity Cabinet Low Temperature Cabinet LH 113 LHL 113 LHU 113 LU 113 April 1 2002 Seventh Edition Artisan Technology...

Страница 110: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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