Perlick CR30R Series Service Manual page 18

3.2 Electrical System (cont.)
PROBLEM
White Lights not Working
(Door Closed)
(Wine Units Only)
Blue Light not Working
(Door Closed)
(Wine Units Only)
Hot Gas Valve Solenoid
(Freezer Only)
Dampers
User Interface
Door alarm activated
18
CAUSE
Is the unit in display mode?
Reed switch is closed
Control Board White LED Illuminated
Check Power at control board
Loose Connection
Is the unit in display mode?
Is light intensity adjusted to Blue?
Reed switch is closed
Control Board Blue LED Illuminated
Check power at control board
Loose Connection
Is unit in Defrost Mode
Control Board LED Illuminated
Check power at control board
Check power at solenoid
Check Continuity of coil
Loose Connection
No Illumination
Door Open
Missing/misaligned door magnet
Defective reed switch
Table 3.2. Electrical System Diagnostics/Troubleshooting
Column Refrigeration Service Manual
SOLUTION
Ensure unit is in display mode
Check continuity of reed switch
(magnet on door)
Green LED (LED6) should illuminate when
call for white lights
Connector P13 (Orange to Black) 12VDC
Check connections
Ensure unit is in display mode
Adjust Intensity to Blue
Check continuity of reed switch
(magnet on door)
Green LED (LED5) should illuminate when
call for blue lights
Connector P13 (Blue to Black) 12VDC
Check connections
Operates only when in defrost mode
Green LED (LED3) should be illuminated
during defrost
Connector P12 (Yellow to Black) 12VDC
Should be 12VDC
Coil resistance 11.1 ohms
Check connections
Loose Connections
Close Door
Align or install door magnet
Evaluate and replace if defective
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