Alliance Laundry Systems 1336 Service Manual Page 68
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68 F238006
Section 5 Service Procedures
To reduce the risk of electrical shock, fire, explosion, serious injury or death:
• Disconnect electrical power to the washer-extractor before servicing it.
• Close the gas shut-off valve to the washer-extractor (when applicable) before servicing it.
• Never start the washer-extractor with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the washer-extractor is properly grounded.
W461R1
WARNING
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
While the door is open, there will be no AC voltage
available to ACH on the fuse board and no outputs will
operate.
NOTE: This is a safety circuit. Do not bypass it.
220 Volt AC for the computer is taken immediately
after the control circuit breaker and “K3” that is
connected to the 4-pin plug at the top center of the fuse
board. A 1/8 amp slo blo fuse is located next to the 4-
pin plug and protects the computer power supply that is
in the center of the fuse board. 12VDC is supplied to
the microcomputer board via a 26-conductor ribbon
cable.
Each of the 20 outputs on the fuse board is connected
to the ACH input through a solid-state current switch
that is controlled by a low-voltage signal from the
microcomputer.
The door unlock and the drain outputs are fused with a
1 Amp slo blo fuse. Each of the other 13 outputs are
fused with a 1/2 Amp fuse (500MA). All fuses on the
fuse board are 5 x 20 mm.
Next to the output tab (a push-on quick connect) for
each output is an LED. This LED will be lit whenever
the output is ON and the fuse is intact. A lit LED
indicates that output voltage is being applied to the
output tab. These LEDs will also glow, though at less
than normal brightness, if there is not a load (coil)
attached to the output or if the path through the load and
back to ACN is open. For this reason, fuses are
normally removed from any output which does not
have a load attached to it.
Figure 1
Display/Fuse Board, Interface Board
P001S
Bulletin 160
AC Drive
Output
Fuse Board
J5
J6
J1
J2
J5
J4
J7
J3
J8
Buzzer
(HA1)
KA3
Relay
KA1
Relay
KA4
Relay
QF2 Circuit Breaker
(Not Present On Q & T Voltages)
AC Drive
Interface
Board
J6
KA2
Relay
- Washer-Extractor 1
- Table of Contents 2
- 2 F238006 3
- Section 1 4
- Safety Information 4
- Important Safety Instructions 5
- Section 1 Safety Information 6
- 6 F238006 7
- Section 2 8
- Introduction 8
- Model Identification 9
- Section 3 10
- Installation 10
- Electrical Installation 11
- Section 3 Installation 12
- 12 F238006 13
- Section 4 14
- Troubleshooting 14
- 14 F238006 15
- Section 4 Troubleshooting 16
- 16 F238006 17
- 18 F238006 19
- 20 F238006 21
- 3. NO FILL ANALYSIS 23
- 24 F238006 25
- 26 F238006 27
- 28 F238006 29
- 5. DOOR LOCK SWITCH ANALYSIS 31
- 32 F238006 33
- Door Lock Switch Analysis 33
- 6. NO FUSEBOARD FUNCTIONS 35
- 36 F238006 37
- A-B 1305 Control Logic 40
- A-B 1336 Control Logic 41
- 42 F238006 43
- 44 F238006 45
- 46 F238006 47
- 48 F238006 49
- 10. NO SPIN 51
- 11. FILL ALARM ANALYSIS 52
- 52 F238006 53
- 54 F238006 55
- 56 F238006 57
- 58 F238006 59
- 14. NO KEYPAD FUNCTIONS 60
- 15. DOOR UNLOCKING FUNCTION 61
- 62 F238006 63
- 64 F238006 65
- Section 5 67
- Service Procedures 67
- 68 F238006 68
- Figure 1 68
- Figure 2 69
- 70 F238006 70
- Figure 3 70
- Meter Lead Placement 70
- Test equipment required: 71
- Computer Test Procedure 71
- Section 5 Service Procedures 72
- 74 F238006 74
- Figure 4 74
- Computer Board and Keypad 74
- Figure 5 75
- TO INSERT AND REMOVE 76
- FLAT RIBBON CABLE 76
- RIBBON CABLE PLUG MUST 76
- BE ALIGNED WITH SOCKET 76
- Figure 8 77
- Clear Covers and R.C. Network 77
- Figure 9 77
- Four-Pin Connector 77
- 78 F238006 78
- Figure 10 78
- Interface Board 78
- Figure 11 79
- Temperature Calibration 79
- 80 F238006 80
- Removal and Installation 80
- Figure 12 80
- PHM1947S 81
- PHM1946S 82
- Deflection 83
- Span Length 83
- PHM1941S 85
- PHM1948S 85
- PHM1943S 86
- Figure 25 87
- Figure 26 87
- 88 F238006 88
- Figure 27 88
- Figure 28 88
- Figure 29 89
- PHM197K 90
- PHM198K 91
- 92 F238006 92
- Mounting Instructions 92
- Figure 34 93
- 94 F238006 94
- Figure 35 94
- Bearing Troubleshooting Tips 95
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