ALLIANCE JT37CGI Service Manual Page 17
- Page / 101
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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M411429 17
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
10. IGNITER GLOWS, SENSOR OPENS BUT NO IGNITION — GAS MODELS
(Johnson Controls System)
NOTE: To check the primary and secondary valve coil and plunger operation, place fingers on top of coils,
cycle the machine and restart ignition circuit, you should feel the primary valve coil plunger open first,
followed by glow bar heat up, followed by the sensor opening, and the secondary valve coil plunger opening.
If plungers do not open, electrically check the coils. Check gas pressure to tumbler. Line pressure should be
7 ± 1/2 inches (Natural Gas) or 11 inches (L.P. Gas) water column pressure. Manifold pressure should be 3.5
inches (Natural Gas) or 11 inches (L.P. Gas) water column pressure.
11. IGNITER GLOWS, SENSOR OPENS BUT NO IGNITION — GAS MODELS
(White Rodgers Glow-bar Ignition)
POSSIBLE CAUSE TO CORRECT
Insufficient gas supply. • Check gas supply and pressure.
Gas flow but no ignition. • Remove igniter and bracket and bend “L” shaped bracket
(located on left side of stove) up or down. Reinstall igniter
and bracket and check for 1/8 – 1/4 inch gap between
bottom of igniter and top of main burner.
No gas flow through gas valve. • Check primary valve coil and plunger. Replace coil if
inoperative, or check for 120 Volts to control relay (PR1)
coil contacts (A) and 120 Volts to control relay (PR1)
contact number 7. If no voltage replace control relay
(PR1) or check secondary valve coil and plunger
operation replace coil if inoperative.
POSSIBLE CAUSE TO CORRECT
Insufficient gas supply. • Is manual shut-off valve in full open position? Check gas
pressure.
Gas flow but no ignition. • Gap between igniter and burner must be 1/8 to 1/4 inch.
No gas flow through gas valve. • Check for 80 – 120 Volts between red and white wire on
gas valve.
• If correct voltage is present and redundant coil does not
click open, replace complete gas valve.
• If correct voltage is not present, replace diode logic board.
• If correct voltage is present and redundant coil clicks
open, check for 40 – 60 Volts across the purple wires on
the main coil after the igniter cycles off.
• If voltage is present and main coil does not stay open,
replace main coil.
• If no voltage is present, replace diode logic board.
- 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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