Henny Penny SmartCombi ESC-220, Troubleshooting Manual

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Smart Combi™ Service
Remedy Function o.k. ?
Yes No
Check glow electrode R10 (at HD20.x also R20) .
Check contact n.o. at ignition box X2.1 – X2.2 and check fuse F3.
The coming on of the glowing electrode can be watched by the
control window. With the help of the service menu „5 Relay test“
K14 and K15 (only HD20.x) can be switch on manually and the
corresponding glowing electrode must come on yellow colour. The
current consumption of the glowing electrode is between 1,4A and
1.8A. In cold condition this has a resistance of 5 ohms . The open-
circuit voltage of the glowing transformer T2 (at HD20.x in addition
T3) is between 26V - 29V during the unit is on.
•
Check transformer.
•
Check current of the glowing electrode.
•
Check under voltage of the power supply.
•
Check relay contact at the ignition box.
Check function of the flame control.
There is a problem with the flame control, if a flame gets visible
short-time after the glowing electrode glowed (the flame lapse again)
and the error "no gas" appears on the display. This means that the
ignition box has not detected the flame during the safety time. The
gas valve is then closed and a reset of the ignition box is necessary
(automatic reset process).
•
Check ionisation electrode (flame control). The current
consumption must be 5µA.
•
Check distance between electrode and gas burner. Maybe
there is a shortcut against ground between electrode and
burner gauze. In this case "longer" metal hair has to be
removed.
•
Ignition box is faulty.
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