ALLIANCE SCL020WT - Page 46

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20-60 Pound Q, W, X and Y Voltage

CHM908S_SVG

20-100 Pound N and P Voltage, 80-100 Pound Q and X Voltage

CHM909S_SVG

Troubleshooting

DO NOT COPY or TRANSMIT

46 Part No. F8677701EN

Main Page

Table of Contents3
Safety Information5
Explanation of Safety Messages5
Important Safety Instructions5
Safety Decals6
Operator Safety7
Introduction8
Model Identification8
Delivery Inspection19
Serial Plate Location19
Replacement Parts20
Customer Service20
Theory of Operation21
Starting the Machine21
Fill21
Supply21
Wash21
Drain21
Extract21
Troubleshooting22
No Display23
No Power to I/O Board (B Voltage)25
No Power to I/O Board (Q, W, X and y Voltage)27
No Power to I/O Board (N and P Voltage)31
Input/Output Board Communication Error E Co35
Close Door Error Close Door37
Door Lock Non-Fatal Error E Dl1 (1 of 2)39
Door Lock Non-Fatal Error E Dl1 (2 of 2)40
Door Does Not Unlock at End of Cycle42
Drive Board Communication Error E D Co(1 of 2)43
Drive Board Communication Error E D Co(2 of 2)44
No Motor Rotation47
Frame Balance Switch Error E Fbal58
No Water Flow Error E Nflo (no Fill)60
No Water Flow Error E Nflo (Drain Does Not Close - B Voltage)61
No Water Flow Errore Nflo (Drain Does Not Close) - N, P, Q, W, X and y Voltage63
No Water Flow Error E Nflo (Pressure Transducer)65
No Water Flow Errore Nflo (no Hot or Cold Fill through Dispenser Compartments)68
No Water Flow Error E Nflo (no Hot or Cold Tub Fill)71
No Water Flow Error E Nflo (no Cold Hard Fill - Optional)73
Heat Error E Ht (Steam Heat)75
Heat Errore Ht (Electric Heat)77
No 24VAC (B Voltage)80
No 24VAC (N, P, Q, W, X and y Voltage)83
No External Supplies (4 out Control Using Supplied 24VAC - B Voltage) (1 of 2)86
No External Supplies (4 out Control Using Supplied 24VAC - B Voltage) (2 of 2)89
No External Supplies (4 out Control Using Supplied 24VAC) - N, P, Q, W, X and y Voltage (1 of 2)91
No External Supplies (4 out Control Using Supplied 24VAC) - N, P, Q, W, X and y Voltage (2 of 2)94
No External Supplies (8 out Control Using Supplied 24VAC - B Voltage)96
No External Supplies (8 out Control Using Supplied 24VAC) - N, P, Q, W, X and y Voltage99
No 8 out External Supplies / Auxiliary out Communication102
No External Drain105
No Extract107
No High Extract108
IPM over Temperature Error E D 25109
Excessive Vibration And/Or Noise During Spin110
Excessive Cycle Time112
No Keypad Function113
Abnormal Operation (Water Level, Coast Time, Etc.)114
Unable to Access Manual Mode116
Control Always in Audit Display Mode (Vend Models)118
Control Does Not Allow External Device to Download a Machine Cycle While Running120
Setup Command Error E D 01122
Over Voltage DC Bus Error E D 21123
Fatal IPM over Current Shunt Error E D 23125
Fatal I2T Hardware over Current Error E D 24136
Locked Rotor Error E D 34147

ALLIANCE SCL020WT - Page 46

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