HOLZMANN MASCHINEN HKD15, User Manual

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HOLZMANN Maschinen Austria  www.holzmann-maschinen.at Strana 23
Naftový horkovzdušný ohřívač / diesel gas burner HKD15 / HKD30T
16 TROUBLE SHOOTING
The heater is equipped with a self detecting device. By normal operation the warning lamp is
lighted. If the warning lamp becomes flashed, check the followings:
E) If the power supply is correct as specified;
F) If the fuel used is correct as specified;
G) If there is something blocked the air inlet and/or hot air outlet;
H) If the room temperature control is set too low;
I) If the fuel tank is empty;
J) If the ambient temperature is below 0
℃
, fuel de-icer is necessary.
After then repeat to start the heater, if problem still exists, send the heater to your dealer or pro-
fessional service.
Problem observed Possible causes Solution
Can not start Wiring loose or worn out Reconnect or replace
Control circuit board worn
out
replace
Thermostat broken replace
No spark Igniter cable loose or worn
out
Reconnect or replace
Improper igniter gap Adjust to 2.5 -3.0 mm
Faulty transformer replace
Burner starts but shuts off ab-
normally afterwards
Dirty fuel filter Clean/replace
Dirty nozzle Clean/replace
Dirty photocell Clean with care
Faulty solenoid valve replace
Unstable burning Dirty nozzle Clean/replace
Dirty fuel filter Clean/replace
False air pressure Clean air filter/clean or
replace
Check air line/replace
Check fuel line/replace
Resetting pressure
Rotor & blade
worn/replace
.