Perlick HA24BB Service Manual page 15

Residential Refrigeration
and Front Venting Commercial Refrigeration
Service Manual
PROBLEM
Eliwell Control: LED
Controller display is flash-
ing "AH1"
Eliwell Control: LED
Controller display is flash-
ing "AH1"
(continued)
Eliwell Control: LED
Controller display is flash-
ing "AL1"
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CAUSE
Probe 1 HIGH temperature alarm.
Control
Incorrect control settings.
Power
Incorrectly wired.
Fans
Evaporator fan is not running.
Coils
Evaporator coil has iced over.
Coils
(continued)
Condensing coil is not clean.
Fins are bent or damaged.
Probe
Probe is not connected to control.
Air Infiltration
Sealing compound does not form a
complete seal.
Door gasket is damaged or not seated
properly.
Condensate drain line/air trap is not
positioned properly.
Refrigeration/Charge level is too low.
Probe 1 LOW temperature alarm.
Incorrect control settings.
Troubleshooting Guide – Beverage Dispensing
SOLUTION
Replace probe per Section 8.6.3 .
Return to factory settings. See Section 8.6 .
Verify wiring per wiring diagram,
Section 8.2 .
Refer to Evaporator fan is not
Remove ice. See Section 7.4
Clean with soft brush and vacuum.
Straighten fins.
Reconnect probe.
See Section 8.6.4.
Refer to Section 7.1 .
Refer to Section 7.1 and 9.5 .
Reposition in loop.
Check for leaks, repair, and recharge.
See Section 7.13 and 7.14 .
This is a critically charged system, re-
charging should only be done when all
other options have been thoroughly
checked.
Return to factory settings.
See Sections 8.6 .
running.
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