Machine is switched off
at the isolator
No power to the
machine.
Blank display screen
Blocked drain.
Display screen indicates
`BLOCKED DRAIN`
Low water level.
Display screen indicates
`LOW WATER`
Check the isolator fuses.
Check isolator circuit breaker or RCD
has not tripped.
Check service wiring to isolator.
Check isolator is switched on.
Check the wiring to the machine for
continuity.
Check the PCB 24v dc connection.
Check the PCB is operating, neon
indicator on. – Replace board if
required.
Check the power supply 24v dc
output.
Check that the drain is not blocked
Disconnect pressure tube from
pressure switch, if the fault persists
replace the pressure switch.
Check stop cock valve is open.
Check float valve operation.
Check water level sensor
connections.
Check level sensor operation –
Replace.
Check level switch sensors for
mineral build up – Clean.
Check PCB connector.
Ensure no debris in water tank
The following chart will give assistance in identifying the possible cause of a fault and the
recommended action to be taken.
Fault 1
Fault 1 (continued on next page).
To Next Page
Loading...
