Alto-Shaam 6-10ML - Control Reset; Troubleshooting

COMBITHERM GAS INSTALLATION AND MAINTENANCE MANUAL — 6470ML
PG. 31
3.4 TROUBLESHOOTING
Alto-Shaam has established a twenty-four hour emergency service
call center to offer immediate customer access to a local authorized
service agency outside of standard business hours. The emergency
service access is provided exclusively for Alto-Shaam equipment
and is available throughout the United States through the use of
Alto-Shaam's toll-free number. Emergency service access is
available seven days a week including holidays
.
ERROR
CODE
E21
E22
E29
E80
E81
E82
E83
E96
DESCRIPTION OF ERROR
Oven Temperature Probe N6.
Core Temperature Probe B10.
Probe short to ground.
ID (identity) error.
Cooking procedure-programming error.
WP error in cookbook.
Non-compatible software between the display board and
relay board.
Software and hardware error.
POSSIBLE CAUSE/REMEDY
Oven Temperature Probe connection is bad at X6 on the
control module.
Oven Temperature Probe, N6 is defective.
Core Temperature Probe connection is bad at X6 on the
control module.
Core Temperature Probe, B10 is defective.
Check all thermocouple probes to ground.
No ground should be present.
The electronic control cannot differentiate between gas or
electric operation and disconnects all circuit connections.
Contact problem on X3 connection.
Bridge missing at X3, Gas pin 2 to 7.
Unit has been changed from Fahrenheit to Celsius.
Preset program or cleaning program corrupt. The sequence
must be deleted and reprogrammed.
Press and hold the Chef function key while in the OFF mode
and verify both the BM and SM software versions.
Communication cable is lose between relay board and
display board.
Communications cable defective.
3.4.1 CONTROL RESET
There is a remote possibility in the day-today operation of the Combitherm that the control could lock or freeze.
If this occurs, the control is easy to reset.
Press and hold the Power Key for a period of 5 seconds.
Release the Power Key. The control will reset itself within approximately 15 seconds.
WHEN RESET, THE DISPLAY WILL INDICATE THE TIME AND DATE AND THE CONTROLS WILL BE FULLY FUNCTIONAL.