Alliance Laundry Systems BU170S Service Manual Page 112
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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110
70422201R1
LED OPL and UniLinc Troubleshooting
Dip Switch Status “ ”
The control will show the displays in Table 3
according to the DIP switch configuration. The control
will show which switches are in the ON position. For
example, to verify that DS3, DS5 and DS7 are in the
ON position, the display will show “” (DS3=4,
DS5=16 and DS7 = 64, 4+16+64 =84).
Table 3
ICM Alarm Status “ ”
This option shows the status of the ICM (Ignition
Control Module) Alarm.
To start test, control must be in the Testing Mode.
Refer to “How to Enter Testing Feature” at the
beginning of this section.
To enter, press the Start ( ) keypad. The display
will show “
” if the alarm is active for at least
one second or “
” if the alarm is not active for
one second.
To exit the test, press the Back ( ) keypad. The
control will return to the testing mode.
ICM Reset Test “ ”
The ICM Reset Test can be used to both activate the
ICM alarm signal and reset the ICM alarm. When this
test is started, the ICM reset will become active. If the
reset signal is active for a long enough period of time
(4 seconds) the ICM Lockout input will become
active. To reset the ICM, stop the ICM Reset Test and
then start the test again until the ICM Lockout input
becomes inactive (4 seconds) and then stop the ICM
Reset Test. If “
” shows on the display, ICM
Reset output is active.
External Alarm Test “”
This option tests whether the external alarm is
working.
To start test, control must be in the Testing Mode.
Refer to “How to Enter Testing Feature” at the
beginning of this section.
To enter, press the Start ( ) keypad. The display
will show “
” and the external alarm will
sound until the test is exited.
To exit this test, press the Back ( ) keypad. The
control will return to the testing mode.
DS8 DS7 DS6 DS5 DS4 DS3 DS2 DS1 Display
OFF OFF OFF OFF OFF OFF OFF OFF
OFF OFF OFF OFF OFF OFF OFF ON
OFF OFF OFF OFF OFF OFF ON OFF
OFFOFFOFFOFFOFF ON OFF OFF
OFFOFFOFFOFF ON OFF OFF OFF
OFF OFF OFF ON OFF OFF OFF OFF
OFF OFF ON OFF OFF OFF OFF OFF
OFF ON OFF OFF OFF OFF OFF OFF
ON OFF OFF OFF OFF OFF OFF OFF
- STRIAL TUMBLE DRYERS 1
- Table of 3
- Contents 3
- 70422101R1 4
- Section 1 5
- Safety Information 5
- Safety Warnings and Decals 7
- Tumblers 7
- Section 2 8
- Introduction 8
- Customer Service 10
- Serial Plate Location 10
- How a Tumble Dryer Works 11
- Operation 12
- Temperature Sensor 13
- Modes of Operation 14
- Section 3 15
- Troubleshooting 15
- 1. Motor Does Not Start 16
- 4. Motor Does Not Stop 19
- 6. No Heat Condition 21
- 7. Gas Burner Does Not Ignite 22
- 12.Clothes Do Not Dry 27
- 13.Tumble Dryer Overheating 28
- TMB2357S 34
- TMB2319S 35
- TMB2368S 36
- 21.Cylinder Is “Stained” 39
- Section 4 40
- Call the fire department 41
- TMB2199N 44
- SUPPRESSION 45
- Section 5 46
- Adjustments 46
- 27.Airflow Switch 47
- Pound Models) 47
- 30.Belt Drive 48
- 31.Cylinder Clearance 49
- TMB1786S 50
- 32.Drive Belt Tension 51
- 33.Fan Belt Tension 52
- Section 6 53
- 34.Control Has No Display 54
- 36.Motor Will Not Start/Run 58
- 37.Unit Will Not Heat – Gas 60
- 38.Error Codes 63
- Section 7 64
- 39.Control Has No Display 65
- 40.Door Open Indicator 67
- 41.Motor Will Not Start/Run 70
- 43.Error Codes 75
- Section 8 76
- Is there line voltage 77
- TMB2387S 79
- 45.No Drive Motor Rotation 80
- LED OPL Error Display: E Cab 83
- Is there 24 volts AC 85
- 48.Airflow Errors 87
- LED OPL Error Display: E FnCs 89
- 50.Close Door Indication 91
- 51.Moisture Sensor Error 93
- Figure 9 95
- Figure 10 96
- (Refer to Figure 11) 97
- Figure 12 98
- Machine Basket Removed 99
- Figure 13 100
- 58.Fan Motor Contactor Error 101
- TMB2383S 102
- 59.Rotation Sensor Error 103
- Rotation Sensor Error 104
- 60.Shorted or Open Thermistor 105
- Shorted or Open Thermistor 106
- SEE VOLTAGE 107
- OPTION DIAGRAM 107
- PROGRAMMING DIP SWITCHES 108
- (SEE INSTALLATION MANUAL 108
- FOR SWITCH DETAILS.) 108
- 63.Electronic Control Testing 109
- 70422201R1 110
- Diagnostic Test Descriptions 111
- Production Test Cycle 116
- 64.Diagnostic Testing 117
- Diagnostic Menu 117
- Test Menu 117
- Test Cycle Chart 118
- Inputs Outputs Menu 119
- Alarms Menus 120
- Machine ID Menu 120
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