Reset" Indication (Gas Units); Check Polarity (Gas Units) - Rational SCC Series Training Manual

Reason:
Flame monitoring does not work after ignition
Indication „RESET"
Does the connected gas
type comply with the gas type
on the name plate?
YES
Gas supply open
External Ventilation system
on?
YES
Reset only in case all
gas appliances of the kitchen
are switched on ?
NO
Reset was carried out several
times?
Service 33 comes up if reset was
carried out 4 times.
Service 33 can be deleted by
switching unit off and on again
(function implemented as of soft-
ware version 01_07_08)
Check ignition-electrode, -cable,
-box and gas valve
For ame monitoring mains must be connected with correct polarity

„RESET" indication (Gas units)

Convert unit to connected gas
type.
NO
Follow instruction of training
manual
Attention: Carry out À ue gas
analysis
NO Open gas supply
Switch on ventilation system
- Cross section of the gas
YES
supply pipe is too small
- Flow gas pressure is too

Check polarity (Gas units)

Unit shows
Check polarity
Check power connection for cor-
rect polarity, colour code:
Live = brown or black
Neutral = blue
Edition 10-2008a
Trouble shooting SCC
Install suf¿ cient supply pipe,
and/or increase gas pressure
169