ALLIANCE JT37CGI Service Manual Page 38
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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38 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
41. MM MODELS: CYLINDER MOTOR DOES NOT RUN OR REVERSE WITH DOOR CLOSED,
CYCLE SELECTED AND START BUTTON PRESSED IN REVERSING MODE OR
NONREVERSING MODE
480 Volt/60 Hertz/3 Phase Steam Reversing and 208-240 Volt/60 Hertz/3 Phase Gas and Steam Reversing
Models
NOTE: If the unit will not reverse when reversing is selected, check for proper operation and wiring of
reversing switch. Replace if necessary.
Step Problem If No, then
1 Is there120 VAC to the COM terminal of the door switch?
If yes, continue to next step.
Correct wiring between door switch and L1 supply for
208-240 units. Check transformer on 480 Volt.
2 Is there 120 VAC to the N.O. terminal of the door switch?
If yes, continue to next step.
Check for proper operation of door switch arm and/or
replace door switch.
3 Is there 120 VAC to terminal P2 of the micro control? If
yes, continue to next step.
Correct wiring between door switch and micro control.
4 Is there 120 VAC to terminal P1 of the micro control? If
yes, continue to next step.
Replace micro control.
5 Is there 120 VAC across the coils of the motor contactor?
If yes, continue to next step.
Correct wiring to the coil of motor contactor.
6 Is there voltage to terminals L1, L2, and L3 of motor
contactor? If yes, continue to next step.
Correct wiring between motor contactor terminals and L1,
L2, L3 of TB1.
7 Is there voltage at terminals T1, T2 and T3 of the M
contactor? If yes, continue to next step.
Replace motor contactor.
8 Is there voltage to terminals T1, T2, T3 on the forward
contactor and voltage to terminals U, V, and W on the
reversing contactor? If yes, continue to next step.
Correct wiring between forward contactor and motor
contactor and /or correct wiring between reverse contactor
and motor contactor.
9 Is there voltage to L1, L2, L3 on the forward contactor or
voltage to terminals X, Y, and Z on the reversing
contactor? If yes, continue to next step.
Continue to Step 11.
10 Is there voltage to L1, L2 and L3 at the cylinder motor? If
yes, continue to step 16.
Correct wiring between cylinder motor and forward or
reversing contactor.
11 Is there voltage across the coils of either the forward or
reversing contactor? If yes, replace either the forward or
reversing contactor.
Continue to next step.
12 Is there voltage at the CW or CCW terminal on the solid
state timer? If yes, correct wiring between the solid state
timer and either the forward or reversing coil.
Continue to next step.
13 Is there voltage at L1 of the solid state timer? If yes,
replace solid state timer.
Continue to next step.
14 Is there voltage to the output of the auxiliary contacts on
the motor contactor? If yes, correct wiring between motor
contactor and solid state timer.
Continue to next step.
15 Is there voltage to the input side of the auxiliary contacts
on the motor contactor? If yes, replace motor contactor
Correct wiring between motor contactor and TB1-L1
supply.
16 Unit operational.
- 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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