ALLIANCE JT37CGI Service Manual Page 46
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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46 M411429
Section 3 Troubleshooting
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Close gas shut-off valve to gas tumbler before servicing.
• Close steam valve to steam tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W002
WARNING
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
50. CD MODELS: NO HEAT WITH VEND SATISFIED AND UNIT RUNNING
208-240 Volt/60 Hertz/3 Phase Gas Nonreversing
NOTE: All voltage checks are referenced to neutral unless stated otherwise.
Step Problem If No, then
1 Is there voltage to the input of the motor switch?
If yes, continue to next step.
Correct wiring to the input of motor switch.
2 Is there voltage to the output of the motor switch?
If yes, continue to next step.
Replace motor.
3 Is there voltage to the input of the cabinet limit?
If yes, continue to next step.
Correct wiring between cabinet limit and motor switch.
4 Is there voltage to the output of the cabinet limit?
If yes, continue to next step.
Check for proper operation, replace if necessary.
5 Is there voltage to the COM terminal of the airflow switch?
If yes, continue to next step.
Correct wiring between airflow switch and cabinet limit.
6 Is there voltage to the N.O. terminal of the airflow switch?
If yes, continue to next step.
Check for proper airflow and function of the airflow
switch. Replace airflow switch if necessary.
7 Is there voltage to the input of the stove limit?
If yes, continue to next step.
Correct wiring between stove limit and airflow switch.
8 Is there voltage to the output of the stove limit?
If yes, continue to next step.
Check for blockage and proper airflow. Replace stove
limit if necessary.
9 Is there voltage to the N.C. terminal of switch B?
If yes, continue to next step.
Correct wiring between switch B and stove limit.
10 Is there voltage to the COM terminal of switch B?
If yes, continue to next step.
Check for proper operation, replace switch B if
necessary.
11 Is there voltage to the input of the adjustable bulb
thermostat? If yes, continue to next step.
Correct wiring between thermostat and switch B.
12 Is there voltage to the output of the adjustable bulb
thermostat? If yes, continue to next step.
Replace adjustable bulb thermostat.
13 Is there voltage to the ignition control board?
If yes, continue to next step.
Correct wiring between IEI board and thermostat.
14 Does the igniter spark? If yes, continue to next step. Check for proper igniter gaps and resistance for high
voltage lead.
15 Is there voltage across V1 and V2 of the IEI board?
If yes, continue to next step.
Replace IEI board.
16 Is there voltage across the coils of the gas valve?
If yes, continue to next step.
Correct wiring between gas valve and IEI board.
17 Is there a flame? If yes, unit is operational. Continue to next step.
18 Is there gas pressure on the output side of the gas valve?
If yes, continue to next step.
Replace gas valve.
19 Check for proper gas pressure. 3.5 water column inches for
Natural Gas, 10.5 W.C.I. for L.P. Gas.
† Proper gaps for igniter: 5/16 above burner and 5/32 between electrode and grounding tab. The proper resistance of the high
voltage lead is between 5,000 Ohms and 25,000 Ohms.
- Drying Tumblers 1
- Table of Contents 2
- Section 4 –Grounding 3
- Section 5 –Service Procedures 3
- Section 6 –Adjustments 3
- Section 1 4
- Safety Information 4
- 4 M411429 5
- Section 2 6
- Introduction 6
- Customer Service 7
- Serial Plate Location 7
- Safety Warnings and Decals 8
- How A Tumbler Works 9
- Energy Saver Models 10
- Section 3 11
- Troubleshooting 11
- 12 M411429 12
- POSSIBLE CAUSE TO CORRECT 12
- 14 M411429 14
- 16 M411429 16
- 18 M411429 18
- 20 M411429 20
- 22 M411429 22
- Section 3 Troubleshooting 23
- 24 M411429 24
- 26 M411429 26
- 28 M411429 28
- Section 4 50
- Grounding 50
- Section 5 51
- Service Procedures 51
- 54 M411429 52
- Figure 1 52
- Figure 2 53
- 56 M411429 54
- Figure 3 54
- MANUAL TIMER 54
- Figure 4 55
- Figure 5 55
- 58 M411429 56
- Figure 6 56
- Figure 7 56
- Figure 8 57
- Figure 9 57
- 60 M411429 58
- Figure 10 58
- Figure 11 59
- 62 M411429 60
- Figure 12 60
- Figure 13 61
- 64 M411429 62
- Figure 14 63
- 66 M411429 64
- Section 5 Service Procedures 65
- 68 M411429 66
- Figure 15 66
- Figure 16 67
- ELECTRIC HEATER 67
- 70 M411429 68
- Figure 17 68
- Figure 18 69
- 72 M411429 70
- Figure 19 70
- Figure 20 70
- Figure 21 71
- ALTERNATE STYLEREGULAR STYLE 71
- 74 M411429 72
- Figure 22 72
- Figure 23 72
- NEWER MODELS OLDER MODELS 73
- 76 M411429 74
- Figure 25 74
- Figure 26 74
- Figure 27 75
- NEWER MODELS 76
- Figure 29 77
- 80 M411429 78
- Figure 30 78
- BELT/CHAIN NONREVERSING 78
- 82 M411429 80
- Figure 31 80
- Figure 32 81
- Figure 33 81
- 84 M411429 82
- Figure 34 82
- Figure 35 83
- 86 M411429 84
- Figure 36 84
- Figure 37 85
- 88 M411429 86
- Figure 38 87
- 90 M411429 88
- Figure 39 89
- REVERSING CONTROL ASSEMBLY 89
- Adjustments 90
- Section 6 90
- INSUFFICIENT 91
- NO AIRFLOW 91
- Section 6 Adjustments 92
- 96 M411429 93
- Figure 42 93
- Figure 43 94
- Figure 44 94
- 98 M411429 95
- BELT DRIVE 96
- BELT/BELT REVERSING 97
- REVERSING 99
- Figure 48 100
- BELT/CHAIN 101
- NONREVERSING 101
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