Perlick HA24BB Service Manual page 16

Residential Refrigeration
and Front Venting Commercial Refrigeration
Service Manual
PROBLEM
Dixell Control: LED
Controller display is flash-
ing "P1".
Dixell Control: LED
Controller display is flash-
ing "HA". Maximum tem-
perature alarm.
Dixell Control: LED
Controller display is flash-
ing "HA". Maximum tem-
perature alarm.
(continued)
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CAUSE
Probe failure.
Control failure.
Probe failure.
Probe disconnected from control.
Internal compartment has exceeded the
high temperature alarm preset value for
over 30 minutes.
Control
Incorrect control settings.
Power
Incorrectly wired.
Fans
Evaporator fan is not running.
Coils
Evaporator coil has iced over.
Condensing coil is not clean.
Fins are bent or damaged.
Probe
Probe is not connected to the control.
Air Infiltration
Sealing compound does not form a com-
plete seal.
Door gasket is damaged or out of place. Refer to Section 7.1 and 9.5 .
Condensate drain line/air trap is not
positioned properly.
Troubleshooting Guide – Beverage Dispensing
SOLUTION
Table 8-21 for resistance values.
Refer to Control not functioning
Refer to Table 8-21 for resistance values
Plug in probe connector.
Return to factory settings.
See Section 8.6 .
Verify wiring per wiring diagram,
Section 8.2 .
Refer to Evaporator fan is not running
Remove ice per Section 7.4.
Clean with soft brush and vacuum.
Straighten fins.
Reconnect probe per Section 8.6.4 .
Refer to Section 7.1 .
Reposition in loop. See Figure 7-3 .
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