Primus D55 User manual

D55
SERVICE MANUAL INDUSTRIAL DRYERS
PUBLICATION DATE: 10/03
70276001


70276001 1
(continued)
Table of Contents
Section 1 – Safety Information
Locating An Authorized Service Person .................4
Section 2 – Introduction
Model Identification ................................................5
Customer Service ....................................................6
Serial Plate Location ...............................................6
Safety Warnings and Decals ...................................7
Safety Precautions for Servicing Tumblers ............7
Section 3 – Troubleshooting
1. Motor Does Not Start .......................................9
2. Motor Overload Protector Cycles
Repeatedly ......................................................10
3. Motor Runs But Cylinder Does Not Turn. .....10
4. Motor Does Not Stop .....................................10
5. Gas Burner Does Not Ignite ...........................11
6. Burner Ignites And Goes Out Repeatedly .....12
7. Burner Shuts off Prematurely ........................12
8. Burner Repeatedly Cycles Off On High Limit
Thermostat .....................................................13
9. Steam Valve or Burner Does Not Shut-off ...13
10. Clothes Do Not Dry .......................................14
11. Tumbler Overheating .....................................14
12. Burners Not Burning Properly - Gas Models 15
13. Loading Door Opens During Operation ........15
14. Tumbler Runs But No Steam To Coils - Steam
Models ............................................................15
15. Water In Steam Line - Steam Models ............16
16. Tumbler Will Not Start, Time On Drying Timer,
Door Closed ...................................................17
17. Motor Runs But Will Not Heat ......................18
18. Cylinder Turns, But Will Not Heat ................19
Section 4 – Grounding
19. Grounding Instructions ..................................21
Section 5 – Service Procedures
20. Access Panel/Interior Control Box ................23
21. Control Fuse Holder .......................................23
22. Control Fuse ...................................................24
23. Signal Buzzer .................................................24
24. Load Ready Light ..........................................25
25. Ignition Reset Switch .....................................25
26. Emergency Stop Switch .................................25
27. Push-To-Start Switch .....................................25
28. Cool Down and Heat Lights ..........................25
29. Cool Down and Heat Timers .........................27
30. Relay ..............................................................27
31. Reversing/Nonreversing Switch ....................27
32. Temperature Switch .......................................27
33. Temperature Control Board ...........................28
34. Electronic Control ..........................................28
35. Loading Door Assembly ................................30
36. Loading Door Handle ....................................30
37. Loading Door Switch .....................................30
38. Front Panel .....................................................31
39. Loading Door Hinge Lug ...............................33
40. Thermistor ......................................................33
41. Lint Panel Switch ...........................................34
42. Gas Valve .......................................................35
43. Igniter .............................................................35
44. Ignition Control ..............................................35
45. Burner Tube ...................................................35
46. Stove High Limit Thermostat ........................36
47. Cabinet High Limit Thermostat/ Load Ready
Thermostat .....................................................36
48. Steam Coils ....................................................37
49. Drive Guard Cover .........................................39
50. Airflow Switch ...............................................40
51. Cylinder Belt ..................................................40
52. Drive Belt .......................................................41
53. Step Pulley Assembly ....................................41
Critical Torques ....................................................42
54. Cylinder Sheave .............................................43
55. Motor Pulley ..................................................44
56. Jackshaft Assembly ........................................44
57. Cylinder Assembly ........................................44
58. Trunnion Bearings .........................................45
59. Fan Motor Drive And Fan Assembly ............46
60. Fan (60 Hertz Models) ...................................46
61. Fan (50 Hertz Models) ...................................46
62. Trunnion Shaft Assembly ..............................48
63. Cylinder Drive Motor ....................................49
64. Reversing Timer ............................................50
65. Reversing Contactor ......................................50
66. Fan Motor Contactor ......................................50
67. Transformer ...................................................50

270276001
Section 6 – Adjustments
68. Leveling .........................................................53
69. Main Gas Burner Air Inlet Shutters ...............54
70. Airflow Switch ...............................................55
71. Loading Door Strike ......................................55
72. Cylinder Belt ..................................................56
73. Drive Belt Tension .........................................59
74. Fan Belt Tension ............................................60
Section 7 – Wiring Schematics .........................61
AT, HT, PT, ST, UT, WT and XT Manual Timer
Models
208-230 VAC, 60 Hertz, 3 Phase Gas..............62
380-415 VAC, 50 Hertz, 3 Phase Gas..............63
460 VAC, 60 Hertz, 3 Phase Gas .....................64
208-230 VAC, 60 Hertz, 3 Phase Steam .........65
380-415 VAC, 50 Hertz, 3 Phase Steam .........66
460 VAC, 60 Hertz, 3 Phase Steam .................67
HU, PU, SU, UU and XU Manual Timer Models
380-415 VAC, 50 Hertz, 3 Phase Gas .............68
380-415 VAC, 50 Hertz, 3 Phase Steam .........69
AT, HT, PT, ST, UT, WT and XT Micro Control RM
Models
208-230 VAC, 60 Hertz, 3 Phase Gas .............70
380-415 VAC, 50 Hertz, 3 Phase Gas .............71
460-480 VAC, 60 Hertz, 3 Phase Gas .............72
208-230 VAC, 60 Hertz, 3 Phase Steam .........73
380-415 VAC, 50 Hertz, 3 Phase Steam .........74
460-480 VAC, 60 Hertz, 3 Phase Steam .........75
HU, PU, SU, UU and XU Micro Control RM Models
380-415 VAC, 50 Hertz, 3 Phase Gas .............76
380-415 VAC, 50 Hertz, 3 Phase Steam .........77

70276001 3
Section 1
Safety Information
Throughout this manual and on machine decals, you
will find precautionary statements (“CAUTION”,
“WARNING”, and “DANGER”) followed by specific
instructions. These precautions are intended for the
personal safety of the operator, user, servicer, and those
maintaining the machine.
Additional precautionary statements (“IMPORTANT”
and “NOTE”) are followed by specific instructions.
IMPORTANT: The word “IMPORTANT” is used
to inform the reader of specific procedures where
minor machine damage will occur if the procedure
is not followed.
NOTE: The word “NOTE” is used to communicate
installation, operation, maintenance or servicing
information that is important but not hazard
related.
In the interest of safety, some general precautions
relating to the operation of this machine follow.
DANGER indicates the presence of a
hazard that will cause severe personal
injury, death, or substantial property
damage if the danger is ignored.
DANGER
WARNING indicates the presence of a
hazard that can cause severe personal
injury, death, or substantial property
damage if the warning is ignored.
WARNING
CAUTION indicates the presence of a
hazard that will or can cause minor
personal injury or property damage if the
caution is ignored.
CAUTION
• Failure to install, maintain and/or operate
this product according to the
manufacturer’s instructions may result in
conditions which can produce serious
injury, death and/or property damage.
• Do not repair or replace any part of the
product or attempt any servicing unless
specifically recommended or published in
this Service Manual and unless you
understand and have the skills to carry
out the servicing.
• Whenever ground wires are removed
during servicing, these ground wires
must be reconnected to ensure that the
product is properly grounded and to
reduce the risk of fire, electric shock,
serious injury or death.
W006R2
WARNING

470276001
Section 1 Safety Information
IMPORTANT INFORMATION: During the
lifetime of a tumbler, it may require service. The
information contained in this manual was written
and is intended for use by qualified service
technicians who are familiar with the safety
procedures required in the repair of a tumbler, and
who are equipped with the proper tools and testing
equipment.
NOTE: The WARNING and IMPORTANT
instructions appearing in this manual are not meant
to cover all possible conditions and situations that
may occur. It must be understood that common
sense, caution and carefulness are factors which
CANNOT be built into this tumbler. These factors
MUST BE supplied by the person(s) installing,
maintaining or operating the tumbler.
Always contact your dealer, distributor, service agent
or the manufacturer on any problems or conditions you
do not understand.
Locating An Authorized Service
Person
Alliance Laundry Systems is not responsible for
personal injury or property damage resulting from
improper service. Review all service information
before beginning repairs.
Warranty service must be performed by an
authorized technician, using authorized factory
parts. If service is required after the warranty
expires, Alliance Laundry Systems also
recommends contacting an authorized technician
and using authorized factory parts.
To reduce the risk of electric shock, fire,
explosion, serious injury or death:
• Disconnect electric power to the 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. W240
WARNING
Repairs that are made to your products by
unqualified persons can result in hazards
due to improper assembly or adjustments
subjecting you or the inexperienced person
making such repairs to the risk of serious
injury, electrical shock or death. W007
WARNING
If you or an unqualified person perform
service on your product, you must assume
the responsibility for any personal injury or
property damage which may result. The
manufacturer will not be responsible for
any injury or property damage arising from
improper service and/or service
procedures. W008
CAUTION

70276001 5
Section 2
Introduction
Model Identification
Information in this manual is applicable to these models:
Includes models with the following control suffixes (7th and 8th characters):
RM – reversing OPL micro
RT – reversing manual timer
Gas Steam
AT120L
AT120N
HA120L
HA120N
HT120L
HT120N
HU120L
HU120N
PA120L
PA120N
PT120L
PT120N
PU120L
PU120N
SA120L
SA120N
ST120L
ST120N
SU120L
SU120N
UA120L
UA120N
UT120L
UT120N
UU120L
UU120N
WT120L
WT120N
XT120L
XT120N
XU120N
AT120S
HT120S
HU120S
PT120S
PU120S
ST120S
ST120T
SU120S
UT120S
UU120S
WT120S
XT120S
XU120S

670276001
Section 2 Introduction
Customer Service
If literature or replacement parts are required, contact
the source from whom the machine was purchased or
contact Alliance Laundry Systems at (920) 748-3950
for the name and address of the nearest authorized
parts distributor.
For technical assistance, call (920) 748-3121.
Serial Plate Location
When calling or writing about your product, be sure to
mention model and serial numbers. Model and serial
numbers are located on serial plate as shown.
TMB1764S
Serial
Plate
Junction Box
Cover

70276001 7
Section 2 Introduction
Safety Warnings and Decals
SAFETY WARNINGS and decals have been provided
in key locations to remind you of important precautions
for the safe operation and maintenance of your tumbler.
Please take the time to review these warnings before
proceeding with service work.
All decals have been designed and applied to withstand
washing and cleaning. Decals should be checked
periodically to be sure they have not been damaged,
removed, or painted. Refer to the Parts Manual for
ordering replacement decals.
Safety Precautions for Servicing Tumblers
• Disconnect electrical service.
• Shut off supply gas valve before servicing gas
components.
• Access panel MUST be reinstalled after
inspection or servicing of tumbler is completed.
• Use a non-corrosive leak detecting compound to
check all pipe connections for gas leaks. DO NOT
USE AN OPEN FLAME TO CHECK FOR GAS
LEAKS!
• Belt guard MUST be reinstalled after inspection
or servicing of tumbler is completed.
• Contactor box cover MUST be reinstalled after
inspection or servicing of electric and/or reversing
tumbler is completed.
• Loading door switch MUST be operational before
putting tumbler into service.
• Junction box cover MUST be reinstalled after
inspection or servicing of tumbler is completed.

870276001
Section 2 Introduction
Notes

70276001 9
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
Section 3
Troubleshooting
IMPORTANT: Refer to appropriate wiring diagram for aid in testing tumbler components.
1. MOTOR DOES NOT START
POSSIBLE CAUSE TO CORRECT
Electrical power off, circuit breaker tripped or
blown control fuse. • Check service to tumbler.
• Check primary and secondary fuses.
Inoperative transformer. • Replace transformer.
Loading door not closed or inoperative door switch. • Close door or test switch and replace if inoperative.
Lint panel switch not closing. • Test lint panel switch, replace if inoperative.
Trunnion bearings binding. • Replace trunnion bearings.
Start circuit not completed. • Press start switch or test switch and replace if inoperative.
Idler bearings binding. • Replace bearings.
Inoperative motor. • Have motor tested and replace if inoperative.
Inoperative relay. • Replace relay.
Timer improperly set. • Turn drying timer clockwise to desired setting.
Inoperative timer. • Test timer and replace if inoperative.
Broken, loose or incorrect wiring. • Refer to wiring diagram located on back of tumbler or in
literature packet.

10 70276001
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
2. MOTOR OVERLOAD PROTECTOR CYCLES REPEATEDLY
3. MOTOR RUNS BUT CYLINDER DOES NOT TURN.
4. MOTOR DOES NOT STOP
POSSIBLE CAUSE TO CORRECT
Incorrect voltage. • Refer to Installation Manual for electrical requirements.
Clothes load too large. • Remove part of load.
Cylinder binding. • Check cylinder for binding. Refer to Adjustment Section
in this manual for cylinder adjustment.
Inadequate wiring. • Electrician should verify that wiring and voltage is
adequate.
Inadequate make-up air. • Refer to Installation Manual for make-up air
requirements.
Poor maintenance. • Clean lint accumulation on and around the motor.
Broken, loose or incorrect wiring. • Refer to wiring diagram located on back of tumbler or in
literature packet.
POSSIBLE CAUSE TO CORRECT
Motor drive pulley loose. • Tighten drive pulley bushing screws.
Broken or loose cylinder belts. • Replace or adjust belts.
Broken or loose drive belt. • Replace or adjust belt.
Cylinder binding. • Check cylinder for binding. Refer to Adjustment Section
in this manual for proper cylinder adjustment.
POSSIBLE CAUSE TO CORRECT
Inoperative door switch or lint panel switch. • Test switches and replace if inoperative.
Inoperative timer. • Test timer and replace if inoperative.
Incorrect wiring. • Refer to wiring diagram located on back of tumbler or in
literature packet.
Inoperative motor contactor. • Test motor contactor and replace if inoperative.

70276001 11
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
5. GAS BURNER DOES NOT IGNITE
POSSIBLE CAUSE TO CORRECT
Improper or inadequate exhaust system. • Refer to the Installation Manual for exhaust system
requirements.
Drying timer not selected or inoperative. • Set drying timer or replace if inoperative.
Inoperative thermostat. • Test thermostat and replace if inoperative.
Insufficient gas supply. • Open partially closed gas shut-off valve, or correct low
gas pressure. Check manifold pressure and adjust to
pressure specified on serial plate. If pressure cannot be
obtained, have gas supplier check main pressure.
Incorrect orifices. • Tumbler is equipped for type of gas specified on serial
plate. If orifices are different from that specified on serial
plate, obtain and install proper orifices.
Inoperative igniter. • Test igniter and replace if inoperative.
Inoperative igniter control. • Test igniter control and replace if inoperative.
Inoperative gas valve coils. • Test coils and replace if inoperative.
Lint buildup. • Clean lint compartment after every eight-hour shift.
Check back draft damper for lint accumulation. Check
ductwork for lint build-up.
Inadequate ductwork and make-up air. • Refer to Installation Manual to ensure that ductwork and
make-up air openings are sized properly.
Inoperative airflow switch. • Test switch and replace if inoperative.
Lint door panel not closed properly. • Open lint door panel, place lint door and panel back on
tumbler (ensuring a tight fit).
Broken, loose or incorrect wiring. • Refer to wiring diagram located on back of tumbler or in
literature packet.
Improper fan rotation. • May be due to improper wiring resulting in low airflow.
Refer to Installation Manual.

12 70276001
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
6. BURNER IGNITES AND GOES OUT REPEATEDLY
7. BURNER SHUTS OFF PREMATURELY
POSSIBLE CAUSE TO CORRECT
Insufficient gas pressure. • Check gas supply and pressure. Low flame will not
maintain sensor conductivity.
Burner ports plugged. • Check burner tubes for build-up.
Improper or inadequate exhaust system or make-up
air •RefertoInstallation Manual for exhaust and make-up air
requirements.
Inoperative high limit or cabinet limit thermostat. • Test thermostat and replace if inoperative.
Improper orifices. • Tumbler is equipped for type of gas specified on serial
plate. If orifices are different from that specified on serial
plate, obtain and install proper orifices.
Improper flame recognition circuit. • Replace high voltage lead.
• Replace ignitor
• Replace ignition control module.
POSSIBLE CAUSE TO CORRECT
Improper or inadequate exhaust and/or make-up air
system. •RefertoInstallation Manual for exhaust and make-up air
requirements.
Insufficient gas supply. • Open partially closed gas shut-off valve or correct low
pressure.
Tumbler not properly equipped for type of gas used
or altitude. • Tumbler is equipped for type of gas specified on serial
plate. If not properly equipped for gas type and altitude,
obtain and install correct components.
Improperly adjusted burner flame. • Refer to Adjustment Section in this manual for burner
flame adjustment.
Cycling off on high limit thermostat. • Refer to Paragraph 8.
Broken, loose or incorrect wiring. • Refer to wiring diagram located on back of tumbler or in
literature packet.
Improper fan rotation. • May be due to improper wiring resulting in low airflow.
Refer to Installation Manual.
Inoperative gas valve coils. • Test coils and replace if inoperative.

70276001 13
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
©
8. BURNER REPEATEDLY CYCLES OFF ON HIGH LIMIT THERMOSTAT
9. STEAM VALVE OR BURNER DOES NOT SHUT-OFF
POSSIBLE CAUSE TO CORRECT
External exhaust system is longer than
recommended or inadequate make-up air. •RefertoInstallation Manual for exhaust and make-up air
requirements.
Clogged lint screen. • Remove screen and clean. Lint screen and compartment
should be cleaned after every eight hour shift.
Lint in internal tumbler ductwork. • Disassemble tumbler ductwork and clean.
Lint in external exhaust system. • Disassemble exhaust system and clean.
High limit thermostat cycling at too low a
temperature. • Replace thermostat.
Lint door panel not closed properly. • Remove lint door panel - place lint door panel back on
tumbler (ensuring a tight fit).
Improper fan rotation. • May be due to improper wiring resulting in low airflow.
Refer to Installation Manual.
POSSIBLE CAUSE TO CORRECT
Impurities on gas or steam valve seat, preventing
valve from closing. • Replace gas valve or disassemble and clean steam valve.
Inoperative drying timer or control relay. • Replace timer or control relay.
Incorrect wiring. • Refer to wiring diagram located on back of tumbler or in
literature packet.

14 70276001
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. CLOTHES DO NOT DRY
11. TUMBLER OVERHEATING
POSSIBLE CAUSE TO CORRECT
Heat source inoperative. • Refer to Paragraph 17.
Too much water in articles being dried. • Remove excess water.
Clothes load too large. • Remove part of load. 120 pounds dry weight (AHAM
cotton load) is maximum load.
Improper or inadequate exhaust system. • Refer to Installation Manual for exhaust requirements.
Heat source shuts off prematurely. • Refer to Paragraph 18.
Drying timer improperly set. • Set selector for higher setting.
Incorrect voltage. • Refer to Installation Manual for electrical requirements.
Inadequate make-up air. • Refer to Installation Manual for make-up air
requirements.
Improper fan rotation. • May be due to improper wiring resulting in low airflow.
Refer to Installation Manual.
POSSIBLE CAUSE TO CORRECT
Gas Models: Incorrect main burner orifices. • Replace orifices.
Gas Models: Gas pressure too high. • Adjust gas pressure as specified on serial plate.
Steam Models: Steam solenoid valve stuck open. • Clean solenoid valve and replace if necessary.
Inadequate make-up air. • Refer to Installation Manual for make-up air
requirements.
Lint accumulation. • Remove lint.
Restricted or inadequate exhaust system. • Remove obstruction or lint build-up from exhaust
ductwork. Refer to the Installation Manual for exhaust
system requirements.
Inoperative thermostat. • Replace thermostat.

70276001 15
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
12. BURNERS NOT BURNING PROPERLY - GAS MODELS
13. LOADING DOOR OPENS DURING OPERATION
14. TUMBLER RUNS BUT NO STEAM TO COILS - STEAM MODELS
POSSIBLE CAUSE TO CORRECT
Burner air shutters incorrectly adjusted. • Refer to Adjustment Section in this manual for proper
flame adjustment.
Foreign material in burners. • Disassemble burners and remove obstruction.
Gas pressure too high. • Check serial plate on back of tumbler for correct gas
pressure.
Incorrect orifices. • Tumbler is equipped for type of gas specified on serial
plate. If orifices are different from that specified on serial
plate, obtain and install proper orifices.
Restricted or blocked exhaust duct. • Disassemble and clean exhaust system.
Airflow switch not functioning properly. • Check adjustment and replace airflow switch if necessary.
Improper fan rotation. • May be due to improper wiring resulting in low airflow.
Refer to Installation Manual.
POSSIBLE CAUSE TO CORRECT
Door strike improperly adjusted. • Refer to Adjustment Section in this manual for door strike
adjustment.
Tumbler improperly leveled. • Refer to Adjustment Section in this manual for leveling
adjustment.
POSSIBLE CAUSE TO CORRECT
Shut-off valve closed. • Check all valves in supply and return lines make sure they
are open.
Blocked steam trap. • Remove trap and clean. Replace if inoperative.
Inoperative solenoid valve. • Check operation of solenoid valve.
Incorrect installation of check valve. • Check for inlet and outlet markings on check valve and
invert if necessary.
Clogged strainer. • Remove strainer and clean.
Clogged steam valve. • Remove steam valve and clean or replace. Clean strainer
before returning unit to service.

16 70276001
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
15. WATER IN STEAM LINE - STEAM MODELS
POSSIBLE CAUSE TO CORRECT
Incorrect installation of steam piping. • Refer to Installation Manual for steam requirements.
Trap functioning improperly. • Check trap for size and capacity. If trap is dirty or
sluggish, clean thoroughly or replace. Check return line
for high back pressure. Check trap for proper installation.
Refer to Installation Manual for requirements.

70276001 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
16. TUMBLER WILL NOT START, TIME ON DRYING TIMER, DOOR CLOSED
CHECK FOR
BROKEN WIRE
OR POOR
CONNECTION AT
HARNESS PLUG
CHECK FOR
LINE VOLTAGE
INTO
TRANSFORMER
CHECK FOR
CONTROL
(24 VAC)
VOLTAGE
OUT OF
TRANSFORMER
CHECK FOR
BLOWN
CONTROL
CIRCUIT FUSE
CHECK FOR
24 VOLTS
INTO DOOR
SWITCH
REPLACE
TRANSFORMER
CHECK FOR
BROKEN WIRE
BETWEEN
FUSE AND
DOOR SWITCH
CHECK FOR 24
VOLTS OUT OF
DOOR SWITCH
CHECK FOR
24 VOLTS AT
TERMINAL 3 OF
CONTROL RELAY
CHECK FOR
24 VOLTS
ACROSS COIL
TERMINALS
OF CONTROL
RELAY
CHECK
ELECTRICAL
SERVICE
TO TUMBLER
(Fuses/Circuit
Breaker)
YES
NO
NOYES
YES NO
YES YES
YES
REPLACE
FUSE
CHECK FOR
24 VOLTS ON
TERMINAL 1
OF CONTROL
RELAY
CHECK FOR
DOOR SWITCH
FUNCTIONING
PROPERLY
CHECK FOR
24 VOLTS ON
TERMINAL B OF
DRYING TIMER
REPLACE
RELAY
NO
YES
NO
NO
NO
NO
REPLACE
TIMER
REPLACE
DOOR SWITCH
NO
CHECK FOR
24 VOLTS INTO
PUSH-TO-START
SWITCH
NO
PRESS PUSH-TO-
START SWITCH.
CHECK FOR 24
VOLTS OUT OF
PUSH-TO-START
SWITCH
NO
YES CHECK FOR
24 VOLTS
ACROSS FAN
CONTACTOR
COIL
NO
YESYES REPLACE
FAN
CONTACTOR
CHECK FOR
BROKEN WIRE
FROM CONTROL
RELAY
TERMINAL 1
REPLACE
PUSH-TO-START
SWITCH
CHECK FOR
BROKEN WIRE
OR POOR
CONNECTION AT
HARNESS PLUG
YES
NO
YES
CHECK FOR
BROKEN WIRE
BETWEEN
FUSE AND LINT
PANEL SWITCH
CHECK FOR
24 VOLTS INTO
LINT PANEL
SWITCH
CHECK FOR
24 VOLTS
OUT OF LINT
PANEL
SWITCH
YES
CHECK FOR
LINT PANEL
SWITCH
FUNCTIONING
PROPERLY
NO
NO
NO
REPLACE OR
ADJUST LINT
PANEL SWITCH

18 70276001
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
E
17. MOTOR RUNS BUT WILL NOT HEAT
IGNITER
SPARKING
NO
YES
IEI CONTROL
IN SAFETY
LOCKOUT
NO RESISTANCE OF
HIGH VOLTAGE
LEAD GREATER
THAN 28,000 OHMS
OR LESS THAN
10,500 OHMS
NO IGNITER GAP
IS NOT 5/32 INCH
(.397 CM) OR
CERAMIC CRACKED
NO
OPEN AND CLOSE
DOOR
REPLACE
HIGH VOLTAGE
LEAD
REGAP OR
REPLACE
IGNITER
YES
YES
YES
GAS SHUT-OFF
VALVE TURNED ON
GREEN WIRE
FROM IEI
CONTROL
CONNECTED TO
GROUND
TERMINAL
REPLACE
IEI CONTROL
YES
24 VOLTS
PRESENT ON
BLACK WIRE FROM
IEI CONTROL
YES
CHECK GAS VALVE
COILS FOR OPEN
CIRCUIT
YES
NO TURN ON
GAS SHUT-OFF
VALVE
NO REPLACE
IEI CONTROL
YES REPLACE
GAS VALVE
OR COIL
CONNECT GREEN
WIRE TO GROUND
TERMINAL
NO
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