Perlick BBR96, Service Manual, Page: 20 / 76

Back Bar Operation Installation Manual
Return to Table of Contents 20
PROBLEM CAUSE SOLUTION
Dixell Control: LED
Controller display is
flashing “HA”. Maximum
temperature alarm.
(continued)
Power
Incorrectly wired harness and/or internal
wiring connections.
Verify wiring per wiring diagram,
Section 7.2 . Reconnect wires if needed.
Fans
Evaporator fan is not running.
Refer to Evaporator fan is not running
Coils
Evaporator coil has iced over.
Remove ice per Section 6.5 .
Condensing coil is not clean.
Clean with soft brush and vacuum.
Fins are bent or damaged. Straighten fins.
Probe
Probe is not connected to the control.
Reconnect probe per Section 7.5.4 .
Air Infiltration
Sealing compound does not form a
complete seal.
Refer to Section 1.1 .
Door gasket is damaged or out of place. Refer to
Section 1.1 and 8.6 .
Condensate drain line/air trap is not
positioned properly.
Reposition in loop. See Figure 6-3 .
Refrigeration/Charge level is too low.
Check for leaks, repair, and recharge per
See Section 6.13 .
This is a critically charged system,
recharging should only be done when
all other options have been
thoroughly checked.
Dixell Control: LED
Controller display is
flashing “LA”. Minimum
temperature alarm.
Internal compartment has exceeded the
low temperature alarm preset value for over
30 minutes.
Incorrect control settings. Return to factory settings.
See Sections 7.5.1 and 7.5.2 .
Probe failure.
Refer to Table 7-5 for resistance values.
Replace probe if needed. See Section 7.5.4 .
Control failure. Refer to Control not functioning