Hisense GG722B, User And Installation Manual

8

Common Faults and Solutions

Fault

Cause

Solutions

The hob cannot 

be ignited

The flame is not 

persistent, or flameout 

Gas leak (or smell)

The master gas switch is not 
turned on

Turn on the master gas switch

The hose is twisted, squashed 
or blocked

Out of gas

Gas mixed in the hose

The position of the ignition 
needle is improper

The spark is weak when igniting

No battery, reverse battery, 
dead or undercharged battery

The pulse igniter is broken

The thermocouple is inclined, 
dirty or damaged

The solenoid valve is broken

The valve body is broken

Floating flame at thermocouple

The hose is aging, broken or 
falling off

The main flame of the burner is 
not ignited

The valve body is not tightly 
sealed

Aging of valve body sealing ring

Abnormal flame

Irregular flame

The flame is short 
and weak
The flame is easy 
to be blown off

The flame is long 
and yellow (or 
with black smoke)

Uneven flame

The burner cap is not placed in 
position

The gas pressure is insufficient

The gas inlet of the damper is 
too large

The gas inlet of the damper is 
too small

The fire hole of the burner cap is 
blocked

Correct or replace the intake hose

Replace the gas cylinder or query

Repeat the ignition process to 
exhaust the air

Adjust the discharge distance to 
3-4mm

Clean the ignition needle

Correctly install the batteries or 
replace with new batteries

Replace the pulse igniter

Adjust the position and clean or 
replace the thermocouple

Replace the solenoid valve

Replace the valve body

Adjust the damper

Replace or reconnect the hose

Re-ignite after the gas is exhausted

Replace the valve body

Replace the sealing rubber ring

Put the burner cap in position

Check the gas circuit of the cylinder 
or the pressure reducing valve

Adjust the damper to make the gas 
inlet smaller

Adjust the damper to make the gas 
inlet larger

Clean the fire hole of the burner cap

Note: The faults marked with “      ” can be solved by the users themselves. The faults marked 

          with “     ” must be repaired by professionals. If the fault cannot be eliminated according to 
          the above solutions, please immediately contact the maintenance department or service 
          network of our company.