Cm_P - Diagnostic - Gas Error History - Rational SelfCookingCenter SCC Training Manual

CM_P - Diagnostic - Gas Error History

Please also refer to Training Manual Gas!
Gas errors are triggered by the ignition box itself.
Service 32 and Service 33 are a result of individual gas errors during operation of the gas unit.
Gas errors can be grouped into 2 sections
A)
Likely Ignition box failure
Gas error number
1-15, 21, 23, 31 more than 5x:
33, 36, 37
and additional Service 32
B)
The following gas errors have most likely a reason in electrode distances, ignition wire or soiled burner head
(units 2004 - 2011):
Gas error number
17, 18, 27, 28 for more than 5x
and additional Service 33
19, 29 for more than 5x
and additional Service 33
20, 30
and additional Service 33
22, 32
and additional Service 33
39, 42 for more than 5x
and additional Service 32
34
35
and additional Service 32
38
and additional Service 60
After disassembling and reassembling of the burner always perform flue gas analysis.
When changing the steam burner always use a new white burner gasket:
Index E-G: 72.00.048, Index H-I: 72.00.077
When you have changed the ignition box, please always reset the Gas Error History!
V08 en, SCC
Action
change ignition box
change ignition box
Action
change only ignition box if the above components are ok.
Clean Burner head, check ignition electrode distances, ignition wire and
burner. If ok, change ignition box. Perform flue gas analysis,
Check power supply 3 wire cable to gas blower for continuity (check TI
1426). Change ignition box, if no result, re-install ignition box and change
blower.
check for gas supply and function of gas valve (22), check electrode dis-
tances, ignition wire or soiled burner head
Check ignition electrode distances, ignition wire and burner. If ok, change
ignition box
L1 – N was changed
check voltage and frequency, only important when Service 32 was re-
corded
only important when Service 60 was recorded, contact Rational for soft-
ware repair.
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