Smart
Combi™
Service
gas fan
all gas units
Description:
The speed of the gas fan is faster than 7000
rpm
. or lower than 500
rpm
.
Troubleshooting:
Remedy
Function o.k. ?
Yes
No
Enter the service menu and select
9 gas calibration
to check
the fan speed of the gas fan.
See also service menu of the electronic.
The gas fan does not start. The speed of the gas fan does not appear
on the display.
–
Check power supply.
–
Check fuse F3.
–
Check main contactor K1.
–
Check PWM output at the electronic.
–
Change gas blower
Enter the service menu and select
9 gas calibration
to
check the fan speed of the gas fan.
See also service menu of the
electronic.
The gas fan does not start. The speed of the gas fan does not appear
on the display.
–
Checking speed output of the gas blower.
–
Check plugs and wires
–
Change gas blower
A speed fluctuation of 50 rpm is in the normal range
33
Содержание SmartCombi ESC-220
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