A7
75.4
A1
A2
A3
A5
A4
A6
ELECTRICAL TESTS AND SERVICE PROCEDURES
Page 18
Service Manual Hot Deli Two Tier HDTT3/4/5/7 form 9124303 rev.06/2018
CONTROL LOCATION TWO TIER
A1 Heating on/off
A2 Indication °C or °F
A3 Back key
A4 OK/set key
A5 Up key
A6 Down key
A7 Main switch
If the elements are switched on, the indicator lamp A1 will go on.
Error codes on display:
E29: PT sensor broken or wiring problem sensor.
A01: High temperature alarm.
A02: Low temperature alarm.
A99: High voltage alarm.
AA1: Low voltage alarm.
oFF: Main switch alarm. Check parameter r12.
Wrong temperature displayed: Wrong type of sensor selected. Check o06.
When reporting error codes the unit is switched in stand-by mode and cannot be used util
the problem is resolved.