Symptom
Probable Cause
Corrective Action
Well too cold.
Setpoint temperature set too low.
adjust the COLD controller setpoint temperature to a
higher setting. Refer to the “Changing the Setpoint
Temperature” procedure in the OPERaTION section.
Digital temperature controller not working
properly.
Contact authorized Service agent or Hatco for
assistance.
Well not cold enough.
Food product not pre-chilled before loading
in well.
Load well with pre-chilled food product only.
Unit not filled with food pans/one or more
open pan positions.
Fill the well with food pans. The well will chill to the
setpoint temperature more quickly and hold more
efficiently when filled with pans.
Setpoint temperature set too high.
adjust the COLD controller setpoint temperature to a
lower setting. Refer to the “Changing the Setpoint
Temperature” procedure in the OPERaTION section.
Condenser coil and/or ventilation panels
are plugged with dirt/dust.
Clean the condenser coil and ventilation panels.
Refer to the “Cleaning the Condensing Unit”
procedure in the maINTENaNCE section.
Too much frost built up inside of well.
Turn off, defrost, and clean the unit. activate an auto-
defrost cycle, if necessary (refer to the “Setting the
auto-Defrost Cycle” procedure in the OPERaTION
section).
Digital temperature controller not working
properly.
Contact authorized Service agent or Hatco for
assistance.
Refrigerant low/leaking or other internal
condensing unit malfunction.
Contact authorized Service agent or Hatco for
assistance.
Unit makes excessive
noise and vibration when
turned on.
Internal components have not been
adequately warmed before operation.
Turn off unit immediately. Unit should be stored in a
warm environment of 65°F (18°C) for at least 10 hours.
Unit not cooling.
Drain lever is not in the open position.
move drain lever back to the open position and make
sure Power I/O (on/off) switch is in COLD “I” (on)
position. Lever must be in the open position for unit to
operate in COLD mode.
Unit has not completed five minute startup
delay.
allow unit to complete five minute startup delay. after
turning on unit in COLD mode, a five minute
programmed delay begins before the condensing unit
starts up
Circuit breaker tripped.
Reset circuit breaker. If circuit breaker continues to
trip, contact authorized Service agent or Hatco for
assistance.
Digital temperature controller not working
properly.
Contact authorized Service agent or Hatco for
assistance.
Condensing unit overheated.
Contact authorized Service agent or Hatco for
assistance.
Internal condensing unit malfunction.
Contact authorized Service agent or Hatco for
assistance.
Form No. HCWBIm-0913
17
TROUBLESHOOTING GUIDE
COLD Mode Troubleshooting
Troubleshooting Questions?
If you continue to have problems resolving an issue, please
contact the nearest authorized Hatco Service agency or Hatco
for assistance. To locate the nearest Service agency, log onto
the Hatco website at
www.hatcocorp.com
and click on
Find Service Agent
, or contact the
Hatco Parts and Service
Team
at:
Telephone: 800-558-0607 or 414-671-6350
e-mail:
Fax:
800-690-2966 or 414-671-3976
