Brand > Type > Error code > H.01.09
Error code: H.01.09
Cause
Gas pressure switch
Gas pressure too low:
(1) No or too little flow:
- Make sure the gas tap is fully opened
- Check the gas supply pressure
- If there is a gas filter: Make sure the filter is clean
(2) Wrong adjustment of the gas pressure switch:
- Make sure the switch is mounted properly
- Replace switch if necessary
This malfunction requires the help of a professional