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DIAGNOSTIC TROUBLESHOOTING
1. When the platen temperature drops 24° or more
below the set point temperature the display will
switch from RDY to LO and remain at LO until
the platen temperature reaches it original set point
temperature.
2. If the display remains at LO for 30 minutes you
should do the following:
l Check For an Open Relay.
l Check For an Open Platen (11.8 Ohms)
l Check For an Open Probe (1000 Ohms)
If any of these parts have failed, they should be
replaced by an Authorized Prince Castle Service
Agent.
3. When the platen temperature reaches 36°or more
above the set point temperature, the display will
switch from RDY to HI and remain that way
until the temperature of the platen drops within
the original set point temperature.
5
TROUBLE SHOOTING
PROBLEM CAUSE SOLUTION
Unit will not heat up. No power to unit. Ensure power cord is connected to
proper Receptacle and the power inlet.
Inoperable power cord. Replace power cord.
Loose connection on power switch. Tighten power switch connections.
Inoperable power switch. Replace power switch.
Unit heats up, but the Loose motor connection. Tighten motor connection.
conveyor does not run. Inoperable motor. Replace motor.
Stripped drive gear. Replace drive gear.
Buns under or over done. Check bun crush setting Adjust for proper compression
Verify set point temperature. Adjust set point for proper temperature.
Dirty Teflon Sheet. Clean or Replace Teflon Sheet.
PROG
ACT
SET
L O
PROG
ACT
SET
H I
PREVENTIVE MAINTENANCE
(MOTOR)
4. If the display remains at HI for 30 minutes you
should do the following:
l Check For an Open Relay.
l Check For an Open Platen (11.8 Ohms)
l Check For an Open Probe (1000 Ohms)
If any of these parts have failed, they should be
replaced by an Authorized Prince Castle Service
Agent.
To extend the life of the motor have a factory
authorized technician add 2-3 drops of 3 in 1 oil
on a monthly basis. OIL HOLE