This manual is for the exclusive use of licensees and employees of McDonald’s Systems Inc.
Page 13 of 18
Revision A
Troubleshooting
Warning: Before servicing the unit,Unplug
The power cord
PROBLEM
POSSIBLE CAUSE
WHAT TO DO
Unit does not run after plug
into the receptacle on the side
of the table
Unit is not “fully” plugged in.
Verify unit is plugged into outlet.
The
receptacle on the Wall
isn’t
working.
Plug the refrigerator into another
extension outlet. If the
receptacle on the
Wall is not working, use alternate and
contact licensed electrician to repair it.
Circuit breaker has been tripped.
Check circuit breaker to see if it has
tripped. Reset if necessary. If these steps
do not fix problem, c
all H&K at 800-788-
2445.
Refrigerator is running but it
won’t reach target operating
temperature of 33°F (1°C) to
36° F (2°C).
Condenser Coil is dirty or clogged
with debris.
Use a vacuum cleaner or soft brush to
clean coils, per Preventative Maintenance
instructions. If these steps do not fix
problem,
Call H&K at 800-788-2445 for
service
Drawer is left opened for extended
periods.
Review product loading and general use
instructions with crew to ensure drawer is
open for restocking and order filling only.
Room temperature and/or humidity
exceed recommended maximums.
100ºF (38ºC) 50% RH max
Adjust store air conditioning. If these steps
do not fix problem,
Call H&K at 800-788-
2445.
Drawer gasket has been broken
and door is not properly sealed.
Check drawer gasket condition according
to the reference pictures below this table.
Call H&K at 800-521-3987 or Visit
hkonline.com to order replacement
gasket
. H&K Part# H-4-39-215
Controller reads
“E1”
The sensor probe has failed and
must be replaced
Call H&K at 800-788-2445 for service
Controller reads “E2”
Call H&K at 800-788-2445 for service
