Service Manual
Table Of Contents
- Cover Page
- Section 0 (Table of Contents)
- Section 1 (Introduction)
- Section 2 (Sealed System)
- Section 3 (Sealed System Components)
- Section 4 (Electrical Component Access)
- Section 5 (User Interface Display)
- Section 6 (Control System)
- Section 7 (Lights, Doors, Drawer, and Hinges)
- Section 8 (Evaporator Compartment Access)
- Section 9 (Wiring Diagrams)
- Section 10 (Power On reset Mode)
- Section 11 (Quick Reference Troubleshooting)
- Section 12 (Diagnostic Flow Charts)
- Section 13 (Gathering Service Data)
- Section 14 (Beer Dispenser)
- Section 15 (Dual Zones)
- 15.1: User Interface Control
- 15.2: Operation
- 15.3: Characteristics
- 15.4: Dual Zone Compartment Air Flow
- 15.5: Divider Removal
- 15.6: Damper Operation
- 15.7: Compartment Fan Operation
- 15.8: Heater Operation
- 15.9: Thermistors
- 15.10: Evaporator Access
- 15.11: Interior LED’s
- 15.12: Defrost / Drip Time
- 15.13: Refrigeration and Mechanical
- Section 16 (Refrigerator Freezers)
- Section 17 (Outdoor Models)
- 17.1: Operation
- 17.2: Characteristics / Differences
- 17.3: Fans
- 17.4: Thermistors
- 17.5: Control Type
- 17.6 : Control Functions
- 17.7: Control Locations per Model
- 17.8: Machine Compartment
- 17.9: Main Power Board Access
- 17.10: Display Access and Replacement
- 17.11: Thermistor Resistance
- 17.12: Wiring Diagram
- 17.13: Generic Trouble shooting Charts
- 17.14: Refrigeration and Mechanical
- Section 18 (Prime Control)
- Section 19 (Clear Ice Machines)
- Section 20 (Service Kits / Bulletins)
- 20.1: Service Bulletin # 41013862Mullion Condensation on Refrigerated Drawers
- 20.2: SERVICE BULLETIN # 41013861EVAPORATOR REPLACEMENT KIT
- 20.3: SERVICE BULLETIN # 41013995 Rev CContact between the Door and Door Sensor
- 20.4: SERVICE BULLETIN # 41014167Slotted Condenser Shroud
- 20.5: SERVICE BULLETIN # 41014168Showroom Mode Alarm
- 20.6: SERVICE BULLETIN # 41014169Evaporator / Heat Exchanger Replacement(RF and RFI Models ONLY)
- 20.7: SERVICE BULLETIN # 41014241Shelf Shim Kit
- 20.8: Service Bulletin # 41014242Miscellaneous Control Communication Errors
- 20.9: Service Bulletin # 41014243Replacement of MP Door Skins
- Section 21 (Customer Service Contact Information)
- Section 22 (Notes)
- Back Page
91
SECTION 11: Quick Reference Troubleshooting Guide
COMPLAINT
CONDITION
CAUSE
ERROR CODES
EL
Compartment Thermistor: Open or
shorted (no audible tone).
Broken / Worn / Shorted thermistor: Check
resistance (Ohm) and replace.
Ed
Defrost Thermistor: Open or shorted
(no audible tone).
Broken / Worn / Shorted thermistor: Check
resistance (Ohm) and replace.
EL / Ed
Multiple Thermistor Failures: Open or
shorted (no audible tone).
Broken / Worn / Shorted thermistor: Check
resistance (Ohm) and replace.
ALARMS
Door Ajar
“Door Ajar” will flash on Display (with
audible tone.)
Appliance door has been open or ajar for a
period of 5 + minutes. Close door or press
ON/OFF key to reset.
Power Failure
“Power Failure” will flash on Display (no
audible tone).
Internal / External related supply power
disturbance. Press ON/OFF key to reset.
Temperature
Compartment is 10 + degrees higher /
lower than Set Point for longer than 1
hour.
Electrical / Mechanical / Installation related.
Alarm will sound every 60 seconds>Press
ON/OFF key to reset. Alarm will continue
until cause is corrected.
MISC
Unit does not operate.
Lack of power to the unit or display.
Check power to the appliance and power at
the main power board.
Display Blank
Lack of power/ Display off/ Faulty
display.
Attempt to turn on display/ Check for
incoming power to appliance and display.
Compartment temperature to
cold.
Faulty thermistor/ Compartment Fan
Failure / System failure.
Check resistance (Ohm) and replace
compartment thermistor.
Compartment temperature to
warm.
Product not Stabilized/ Faulty
Thermistor/ Electrical or Mechanical
failure.
Stabilize 24 hours/ Check resistance (Ohm)
and replace thermistor/ Check fan / Look for
leak or restriction.
Compressor does not run.
No Power to compressor/ Faulty
compressor or overload -relay/ Faulty
main power board.
Bad main power board/Check compressor
windings/Check overload and relay.
Compressor runs but doesn't
cool.
Mechanical failure
System Leak
Compressor hot/ tripping.
Faulty compressor windings, overload,
relay.
Shorted or grounded compressor windings,
overload, and relay.
Excessive frost/ice build- up on
evaporator.
Excessive door/drawer openings or
Mechanical failure.
Customer education/ Restriction/
Overcharge.
Uneven frost pattern on
evaporator.
Mechanical failure
System leak/ Restriction
Condensate on face of
gaskets/mullion/doors.
High Humidity
Check repair / replace gaskets, Adjust
doors/drawers.