Troubleshooting - Prince Castle EHB34-2 Series Operation Manual

Dedicated Holding Bin
EHB34-2 Series
To avoid personal injury and possible damage to the unit, troubleshooting and repair of electrical equipment
WARNING:
should be performed by qualified service personnel. This unit should be unplugged when servicing. Except when electrical
tests are required. Use extreme caution during electrical circuit tests as live circuits may be exposed.
Problem
No Power
Unit will not heat up
Unit heats up but timer
bars do not work
Unit under/over heats
Display flashes OPN and
REL
Display flashes SHR and
REL
Display shows HHH for
extended period and heat-
er surface temperature is
hot
Display shows HOLD
Display shows WAIT
Display shows INIT
Timer bar displays
COMM DOWN
For all technical support in North America, please contact PRINCE CASTLE LLC 1-800-722-7853
For technical support worldwide, contact your local service representative / installer.
Printed in USA 10/19 © 2019

Troubleshooting

Probable Cause
Power switch is turned off,
Power cord is not plugged in.
Wrong power cord, loose connection on
power switch and/or heater
Timer bar wiring disconnected,
timer bar is defective
Check temperature settings
Open relay, circuit or heater inoperable
Shorted relay, circuit inoperable,
open heater, unplugged ribbon cable
Temperature is above 300 F (149 C),
Abnormal operation
Only displayed on a 3X4 Bin display
board, when the operator changes the bin
address or during calibration
When in stand alone mode and the oper-
ator makes change to the product profile
When switching from Kitchen Minder
to stand alone mode
Bin is not communicating with
Kitchen Minder
Solution
Turn power switch to ON position,
Ensure power cord is connected
to proper receptacle
HOLD message means the 2 PC boards
in the bin are communicating,
wait until the message disappears
Wait until the message disappears
Bin is learning Kitchen Minder menus,
wait for message to disappear
Refer to Kitchen Minder setup manual
14
CALL TECH SUPPORT
1-800-722-7853
CALL TECH SUPPORT
1-800-722-7853
CALL TECH SUPPORT
1-800-722-7853
CALL TECH SUPPORT
1-800-722-7853
CALL TECH SUPPORT
1-800-722-7853
CALL TECH SUPPORT
1-800-722-7853
540-573revD-EN