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Troubleshooting

Appendix A

Troubleshooting

Problem

Possible Cause

Solution

Sampler control panel and
refrigerator inoperative.

Blown main fuse.

Replace fuse/reset circuit breaker.

Sampler disconnected from main power
source.

Reconnect.

Sampler control panel
inoperative, refrigeration is
okay.

Blown front panel fuse.

Replace fuse.

Control panel harness connector
unplugged.

Reconnect.

Fuse blowing.

Improper fuse size or type.

Replace fuse with 1 amp fuse
(Cat. No. 3318).

Bad transformer.

Check for shorted connections.

Faulty power supply or component.

Isolate and replace bad component.

Defective power ON/OFF switch.

Check switch for short. Replace if necessary.

Control panel operative, but
power ON does not light.

Bulb burned out.

Replace bulb.

Sampler does not work in
flow proportional mode
(4–20 mA option).

Polarity incorrect or wires not connected.

Check for proper polarity. Check wiring for good
non-resistant connections.

4–20 mA signal grounded in series loop.

Check for complete current loop. Check for loss
of signal due to grounding.

Voltage level too high on 4–20 mA.

Voltage on 4–20 loop must not exceed
15 V dc—otherwise damage may occur.

EXT-MIN toggle switch is in wrong position.

Place toggle switch in left EXT position.

Sampler does not respond
to contact closure signal
from flow meter.

A voltage or ground is present on contact
closure input leads.

Check input wires for presence of voltage or
ground, the sampler counts on release of dry
contact closure.

Interval Between Samples thumbwheel
switch is set on a higher number.

Double check the setting on 4-digit Interval
Between Samples thumbwheel switch.

EXT-MIN toggle switch is in wrong position.

Place toggle switch in left EXT position.

Flow meter not sending signal to sampler.

Check the signal and make sure it has a
minimum of 25 milliseconds duration.

Refrigerator not running.

Thermostat disconnected.

Check that the thermostat wire leads are
connected.

Compressor will not start.

Line disconnect switch open.

Close disconnect switch.

Fuse removed or blown.

Replace fuse.

Unit runs in short cycles.

High pressure cutout due to insufficient air
cooling.

Vacuum dust/debris from condenser coils.

Low pressure cut out due to:

a. Compressor valve leak.

b. System refrigerant undercharged.

c. Restriction in expansion device.

a. Replace valve.

b. Fix leak, add refrigerant.

c. Replace device.

Compressor runs long or
continuously.

Shortage of refrigerant due to leak.

Fix leak.

Control contacts are stuck together.

Defrost and make sure connecting tube between
sample chamber and sample container is in
place.

Dirty condenser.

Clean condenser.

Refrigerator is noisy while
operating.

Loose parts or mountings.

Tighten and secure loose parts and mounting.

Tubing rattle.

Reform tubing away from the obstruction.

Bent fan blade.

Replace fan.

Worn fan motor bearings.

Replace motor.

Содержание Sigma 1600

Страница 2: ...Visit http www hach com ...

Страница 3: ...r Option 19 2 6 1 Sequence Operation of the Pump Control Timer 20 2 6 2 Wiring the Pump Control Timer 20 OPERATION 21 Section 3 Programming 23 3 1 Front Panel Controls and Indicators 23 3 2 Sampler Programming Options 24 3 2 1 Timed Cycle Mode 24 3 2 2 Flow Proportional Mode 26 3 2 3 4 20 mA Proportional to Flow Operation 26 3 2 4 Sample Volume x 25 Milliliters 29 3 2 5 Samples Per Bottle Mode 30 ...

Страница 4: ...Page 4 Table of Contents 6507TOC fm Table of Contents GENERAL INFORMATION 45 Contact Information for U S A and Outside Europe 47 Contact Information for Europe 48 Warranty 49 ...

Страница 5: ...ot observed This symbol if noted on the instrument references the instruction manual for operation and or safety information This symbol when noted on a product enclosure or barrier indicates that a risk of electrical shock and or electrocution exists and indicates that only individuals qualified to work with hazardous voltages should open the enclosure or remove the barrier This symbol when noted...

Страница 6: ...mento Eléctrico Nacional muchos de los productos Sigma no son aptos para su utilización en lugares peligrosos Es responsabilidad de quienes instalen los productos en entornos peligrosos el asegurarse de la idoneidad de dichos productos para este tipo de entorno Además para garantizar la seguridad la instalación de los instrumentos en lugares peligrosos deberá realizarse conforme a las especificaci...

Страница 7: ... the Sigma 1600 Automatic Liquid Sampler on the dangers and risks associated with entry into confined spaces Definition of Confined Space A Confined Space is any location or enclosure that presents or has the immediate potential to present one or more of the following conditions An atmosphere with less than 19 5 or greater than 23 5 oxygen and or more than 10 ppm Hydrogen Sulfide H2S An atmosphere...

Страница 8: ...terval adjustable from 1 9999 minutes Flow Proportional Mode Sample interval adjustable from 1 9999 contact closures With 4 20 mA optional sample interval is set from 1 9999 minutes at 100 flow rate LED Display 4 digit display indicates number of minutes or contact closures remaining until the next sample Sample Program Delay Start of sampling program may be delayed 1 9999 minutes Automatic Shut O...

Страница 9: ...able thermostat Refer to Figure 1 Figure 1 Sigma 1600 Automatic Liquid Sampler 1 1 Measurement Capabilities The sampler collects samples on a timed cycle basis or in proportion to flow rate when used in conjunction with a flow meter The flow through chamber Figure 2 receives a continuous flow of wastewater supplied by a pump or gravity flow Gravity flows the wastewater out of the sampler chamber t...

Страница 10: ...accumulates 1 9999 contact closure signals between sample events from an external flow meter using the flow proportional sampling mode A 4 digit LED display continually indicates the number of minutes or contact closures remaining until the next sample event The volume of the individual sample event adjusts in 25 mL increments Adjust the volume by setting the number of dipper arm cycles for an ind...

Страница 11: ...e alertas notas y precauciones a tomar Lea y siga cuidadosamente estas instrucciones a fin de evitar accidentes personales y daños al instrumento Las tareas de instalación y mantenimiento descritas en la presente sección deberán ser efectuadas únicamente por personas debidamente cualificadas GEFAHR Einige der folgenden Abschnitte dieses Handbuchs enthalten Informationen in Form von Warnungen Vorsi...

Страница 12: ...Visit http www hach com ...

Страница 13: ...gs PVC flanged connections are optional If the sampler is not equipped with the optional flanged fittings install a true union in each of the lines at the inlet and outlet of the sample chamber This will provide a way to disconnect the inlet and outlet at ease when cleaning and or servicing the sampler The length of a discharge pipe can vary greatly depending on the type of installation Install a ...

Страница 14: ... Removing the Dipper Arm 1 Loosen the two set screws located on the bottom of the mounting block 2 Gently slide the dipper arm assembly off the end of the dipper arm shaft 2 3 2 Installing the Dipper Arm 1 Slide the dipper arm assembly onto the dipper shaft 2 Tighten the two set screws against the flat surface on the dipper arm shaft Figure 3 Dipper Arm Assembly ...

Страница 15: ...onnections for the optional pump control are also made in the high voltage junction box via a second conduit If optional 4 20 mA or contact closure connections are made in the low voltage junction box use a separate conduit see Table 2 Table 1 High Voltage Junction Box Connections Power or Control Wire Wire and Connectors 120 V 60 Hz White neutral Black live Green ground two sets Pump Control Time...

Страница 16: ...Page 16 Electrical Connections 6507installation fm Section 2 Figure 4 Sigma 1600 Automatic Sampler Wiring ...

Страница 17: ...Section 2 Page 17 6507installation fm Electrical Connections Figure 5 Control Panel Wiring ...

Страница 18: ... may be removed or added without interrupting the transmitter output or significantly affecting the voltage signal Figure 6 Parallel Loop Wiring Series Loop Wiring Series loop wiring consists of electrical connections in a series that use the same current to feed various receivers If the addition or deletion of certain receivers from this series loop is not to affect calibration then the source mu...

Страница 19: ...e pump running time or Turn the screwdriver adjustment counterclockwise to decrease the pump running time Set the adjustment so the pump will run for a sufficient time to ensure complete purging of the inlet piping to the sampler and the sample chamber To ensure flow through the sampler chamber at the instant a sample is taken slightly adjust the time longer than the Sample Delay Note Set the Samp...

Страница 20: ...elected number of samples are delivered to the sample container s The sampler will shut down and a Sample Complete indicator light will be displayed on the front panel 2 6 2 Wiring the Pump Control Timer Note Larger pumps require an additional external relay suitably sized for the larger motor To wire the pump to the sampler use the gray jacketed cable with a green band located in the junction box...

Страница 21: ...igrosa Revise las fichas de seguridad de materiales y familiarícese con los procedimientos de seguridad antes de manipular productos químicos GEFAHR Das Arbeiten mit chemischen Proben Standards und Reagenzien ist mit Gefahren verbunden Es wird dem Benutzer dieser Produkte empfohlen sich vor der Arbeit mit sicheren Verfahrensweisen und dem richtigen Gebrauch der Chemikalien vertraut zu machen und a...

Страница 22: ...Visit http www hach com ...

Страница 23: ... Indicators All front panel controls and indicators are sealed and moisture resistant The control panel may have an optional hinged clear plastic cover which allows viewing of the Sample Countdown display and all switch settings The sampler control panel is equipped with two panel lights One panel light indicates the power is on and the other panel light indicates completion of a sample program Fi...

Страница 24: ...pling Complete Light Automatically turns on after the last sample is taken The light stays on and the sampler remains inactive until the Start Reset push button is pressed Sample Countdown 4 digit LED In the time cycle mode the 4 digit LED display indicates the number of minutes remaining until the next sample In the flow proportional mode the display indicates the number of received contact closu...

Страница 25: ...tween Samples thumbwheel switch according to the number of sample events in a given time period Example Enter 0200 for 24 samples in an 8 hour period For more examples refer to Table 4 Table 5 Table 6 Table 7 and Table 8 Table 4 Number of Sample Events Taken in an 8 Hour Period Selector Knob Black Outer Band Set INTERVAL BETWEEN SAMPLES Thumbwheel Switch 24 0020 48 0010 96 0005 Table 5 Number of S...

Страница 26: ...ntered in the Internal Between Samples thumbwheel switch is 0100 3 2 3 4 20 mA Proportional to Flow Operation With a 4 20 mA input signal the Interval Between Samples setting represents the number of minutes between samples at the maximum flow rate To determine the number of output pulses between samples figure the total number of samples and collection time period over which they are to be collec...

Страница 27: ...mming for sampling based on counts Example 1 You want to collect 24 samples over a 24 hour period on a 4 20 mA flow proportional basis Average Flow Rate 3 5 mgd average flow rate over the 24 hour period Maximum Flow Rate 10 mgd a 1440 minutes 1 Calculate Q 2 Calculate t 3 Multiply Q x t Therefore the value entered for INTV _ _ _ _ CNTS is 21 Example 2 You want to collect 48 samples over a 24 hour ...

Страница 28: ...e Q 2 Calculate t 3 Multiply Q x t Therefore the value entered for INTV _ _ _ _ CNTS is 5 Example 5 It is desired to collect 30 samples over a 2 day period Average Flow Rate 0 25 cfs average flow rate over the 48 hour period Maximum Flow Rate 1 cfs a 2 880 minutes 1 Calculate Q 2 Calculate t 3 Multiply Q x t Therefore the value entered for INTV _ _ _ _ CNTS is 24 Q Average Flow Rate Maximum Flow R...

Страница 29: ...mple Unit ml Sample Volume x 25 24 Sample Events Liters 48 Sample Events Liters 72 Sample Events Liters 96 Sample Events Liters 144 Sample Events Liters 192 Sample Events Liters 288 Sample Events Liters 25 01 0 6 1 2 1 8 2 4 3 6 4 8 7 2 50 02 1 2 2 4 3 6 4 8 7 2 9 6 14 4 75 03 1 8 3 6 5 4 7 2 10 8 14 4 100 04 2 4 4 8 7 2 9 6 14 4 125 05 3 0 6 0 9 0 12 0 18 0 150 06 3 6 7 2 10 8 14 4 175 07 4 2 8 4...

Страница 30: ...inner band 3 Set the Sample Volume x 25 thumbwheel switch to 10 10 cycles x 25 mL per cycle 250 mL per sample The sampler will fill each of the two bottles with 250 mL of sample Use the following equation to determine how long samples will take Therefore it will take 24 hours to complete the sample program 3 2 7 Sample Program Delay The sampler delays the start of the sampling program from 1 9999 ...

Страница 31: ...itive time cycle and pinpoints the time interval during which an upset condition occurred The distributor arm assembly positions over 24 bottles and sequentially distributes a sample of a preselected adjustable volume to the 24 bottles in a given time period The sampler can be programmed to take sequential 24 bottle samples in both samples per bottle mode and bottles per sample mode see Figure 9 F...

Страница 32: ...Visit http www hach com ...

Страница 33: ... alertas notas y precauciones a tomar Lea y siga cuidadosamente estas instrucciones a fin de evitar accidentes personales y daños al instrumento Las tareas de instalación y mantenimiento descritas en la presente sección deberán ser efectuadas únicamente por personas debidamente cualificadas GEFAHR Einige der folgenden Abschnitte dieses Handbuchs enthalten Informationen in Form von Warnungen Vorsic...

Страница 34: ...Visit http www hach com ...

Страница 35: ... once every two months to prevent bacterial growth in the sample chamber and other wetted parts Use a mild algaecide detergent and soft brush when cleaning the sample chamber and all wetted parts Rinse all parts thoroughly with water Remove and clean the sample dipper arm and weir plate and reassemble 4 1 2 Cleaning the Sampler Containers Clean the sample container s after every sample program to ...

Страница 36: ...Visit http www hach com ...

Страница 37: ... A voltage or ground is present on contact closure input leads Check input wires for presence of voltage or ground the sampler counts on release of dry contact closure Interval Between Samples thumbwheel switch is set on a higher number Double check the setting on 4 digit Interval Between Samples thumbwheel switch EXT MIN toggle switch is in wrong position Place toggle switch in left EXT position ...

Страница 38: ...Visit http www hach com ...

Страница 39: ...pper Enclosure Assy 2361 5 1 Closure Receptacle Amp 6356 20 1 Control Module 1901 6 2 Pin Amp 6314 21 6 Screw 561511 7 1 Refrigerator Drain Fitting 2103 22 1 Evaporator Assembly 1823 8 1 Drain Tubing 3 8 in ID Vinyl 3846 23 4 Screw SE 502 9 4 Screw SE 318 24 4 Copper Tube Grommet 1145 10 1 Grill 1942 25 1 Thermostat 875580 11 8 Screw 561511 26 1 Dipper Enclosure Assy 2361 12 2 Door Hinge Spacer 62...

Страница 40: ... 2361 4 3 Wire Hold Down 7289 18 8 Screw 561511 5 1 Dipper Enclosure Assy 2361 19 1 Grill 1942 6 1 Insulation Tape SE 941 20 8 Screw SE 408 7 4 Lockwasher in SE 707 21 1 Inlet Coupling Seal 1847 8 4 Hex Nut SE 701 22 1 Drain Coupling Seal 1846 9 1 Dryer Assembly 1822 23 2 Outlet Box Cover 2475 10 1 Compressor Assembly 2463 24 2 Electrical Box 2474 11 4 Screw SE 718 25 1 Adhesive SE 979 12 4 Flat W...

Страница 41: ... 3 Screw SE 328 17 1 Motor Drives Assembly 2618 6 1 Bearing Mount Bracket Dipper Arm Shaft 1969 18 1 Delivery Tube Assembly 1900 7 2 Bearing 7108 19 1 1 in SCH 40 PVC Extension 2359 8 1 Dipper Shaft Seal Bearing 1923 20 1 45 40 PVC 1 in Fitting 1916 9 1 Collar 1927 21 1 1 in SCH 40 PVC Coupling 2360 10 1 Dipper Arm Shaft 1922 22 2 45 40 PVC Street Fitting 1906 11 2 Screw SE 517 23 1 2352 Nut Fitti...

Страница 42: ...Assembly A A B B S E C T I O N S E C T I O N A A S E C T I O N S E C T I O N B B B B ROTATE CW 90 ROTATE CW 90 ROTATE CCW 90 ROTATE CCW 90 BEARING DRIVES ASSEMBLY BEARING DRIVES ASSEMBLY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 21 19 23 24 25 22 26 28 29 30 31 32 33 34 ...

Страница 43: ...17 12 1 Screw SE 328 13 1 Screw SE 425 14 1 Internal Lockwasher SE 401 15 1 Hex Nut SE 403 16 1 Cable Tie SE 817 17 1 Shoulder Screw 1640 18 1 Reed Switch Magnet 1955 19 1 Plug 8 pin Socket Housing 2263 20 1 Shaft Support Bracket 1971 21 1 Bearing Block 7108 22 1 Drives Motor 10 RPM 1970 23 1 Reed Switch 1954 24 1 Cable Tie SE 817 25 1 Shoulder Screw 1640 26 1 Hex Nut SE 500 27 1 Split Lockwasher ...

Страница 44: ...Visit http www hach com Figure 14 Dipper Housing ...

Страница 45: ...any customer service is an important part of every product we make With that in mind we have compiled the following information for your convenience Page 45 6507g_infostop fm GENERAL INFORMATION GENERAL INFORMATION ...

Страница 46: ...Visit http www hach com ...

Страница 47: ... call 1 800 635 4567 Outside the U S A and Europe send E mail to intltech hach com Repair Service Authorization must be obtained from Hach before sending any items for repair Please contact the Hach Service Center serving your location Hach Company P O Box 389 Loveland Colorado 80539 0389 U S A Telephone 1 800 635 4567 or 970 669 3050 Fax 970 669 2932 By Telephone 800 635 4567 By Fax 970 461 3915 ...

Страница 48: ...ax 34 9 43 13 02 41 info hach lange es Denmark Dr Lange Danmark A S Jernhoolmen 34 40 DK 2650 Hvidovre Tel 45 0 36 77 29 11 Fax 45 0 36 77 49 11 info hach lange dk Italy Dr Bruno Lange s r I Via Riccione 14 I 20156 Milano Tel 39 02 39 23 14 1 Fax 33 02 39 23 14 39 info hach lange it Sweden Hach Lange AB Vinthundsvägen 159A S 128 62 Sködal Tel 46 0 8 7 98 05 00 Fax 46 0 8 7 98 05 03 info hach lange...

Страница 49: ...attempted repair not authorized by Hach Company Any product not used in accordance with the instructions furnished by Hach Company Freight charges to return merchandise to Hach Company Freight charges on expedited or express shipment of warranted parts or product Travel fees associated with on site warranty repair This warranty contains the sole express warranty made by Hach Company in connection ...

Страница 50: ...Visit http www hach com ...

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