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767-SK/III, 1767-SK/III, 2800-SK/III INSTALLATION/OPERATION/SERVICE MANUAL PG. 23
S E R V I C E
A. No power. Display will not light.
1. Verify that power is available at the outlet or junction box.
2. Verify that the circuit breaker switch on the back of the unit is turned on.
3. Verify that the power cord is not open. Check continuity with a VOM meter.
4. If none of the above steps help, call a qualified service technician or refer to the Service Manual for
this particular oven.
B. Display is lit and unit calls for heat, but unit is not heating;
Error Code E30
Check to verify that the high limit switch located at the rear of the unit top has not been
tripped. If it has been tripped, reset by pressing in the hit limit reset button at the rear
of the oven.
After resetting, the cause of the high limit trip must be corrected. If the high limit switch
will not reset, the high limit switch is defective and must be replaced. This is a safety
device and must not be jumped out or removed from the circuit.
C. To test air sensor:
Test air sensor by placing sensor in ice water bath and using an ohmmeter set on the ohm scale. The
reading should be 100 ohms resistance. If it is more than 2 ohms higher or lower, sensor needs to
be replaced.
D. To test probe sensor:
Test food probe by placing in ice water bath and using an ohmmeter set on the ohm scale. The reading
should be 100 ohms resistance.
T R O U B L E S H O O T I N G IN TE R N A L EL EC T R I C A L C O MP O N E N T S
This section is provided for the assistance of qualified technicians only and is not intended for use by
untrained or unauthorized service personnel. If your Alto-Shaam
®
unit is not operating properly, check the
f
ollowing before calling your Authorized Alto-Shaam
®
S
ervice Agent:
☛ Check the power flow to the unit. Plug in outlet? Circuit breaker switch at back of unit turned on?
Do not attempt to repair or service the Cook and Hold unit beyond this point. Contact Alto-Shaam
®
for
the nearest authorized service agent. Repairs made by any other service agents without prior
authorization by Alto-Shaam® will void the warranty on the unit.
D A N G E R
DISCONNECT UNIT FROM
POWER SOURCE BEFORE
CLEANING OR SERVICING.
N O T E
If the appliance has been unplugged for an
extended period of time, the Real Time
Clock may require recharging. Plug the unit
into the proper receptacle for a minimum of
24 hours.
C A U T I O N
THIS SECTION IS PROVIDED FOR THE ASSISTANCE
OF QUALIFIED SERVICETECHNICIANS ONLY AND
IS NOT INTENDED FOR USE BY UNTRAINED OR
UNAUTHORIZED SERVICE PERSONNEL.