Column Refrigeration Service Manual
13
3.0
Troubleshooting Guide
3.1 Refrigeration System
Use this diagnostic guide to identify issues and to locate applicable instructions within this service manual.
This diagnostic guide can be used for any of Perlick’s Back Bar Refrigeration Products.
ELECTROCUTION HAZARD!!
Never attempt to repair or perform
maintenance on the unit until the Main
electrical power has been disconnected.
Table 3.1. Refrigeration System Diagnostics/Troubleshooting
PROBLEM
CAUSE
SOLUTION
Not Cooling
Power Supply
Unplugged, off, blown fuse, tripped or
defective circuit breaker
Check for power at the receptacle
Loose Connection
Check for continuity of wires
Power Requirements not within
specification
Verify that power at receptacle is the same
as nameplate rating
Cord and Plug
Loose Connection
Check for continuity of wires
Defective
Replace
Unit in Showroom Mode
Disable showroom mode
See User Interface Section #.##
Internal Wiring
Loose Connection
Check for continuity or voltage at control
board (or check for heartbeat on control
board) See Control Board Section
Miswired
Verify wiring by comparing to wiring
diagram Section
Evaporator Fan Motor
Loose Connection
Check Continuity or power at fan motor
Defective
Verify Component Specifications
Condenser Fan Motor
Loose Connection
Check Continuity or power at fan motor
Defective
Verify Component Specifications
Evaporator
Clogged
Remove Obstruction
Frozen
De-Ice coil
Condenser
Air flow obstructed
Remove Obstruction
Dirty Condenser
Verify condenser is clean
DANGER