Technical data

TROUBLESHOOTING
1 CHECK BEFORE AND AFTER «TROUBLESHOOTING»
(A) Check power supply wiring.
• Check the power supply wires are correctly connected.
(B) Check power supply.
• Check that voltage is in specified range (±10% of the rating).
• Check that power is being supplied.
• WARNING: If the following troubleshooting must be done with power supplied,
be careful not to touch any uninsulated live part that can cause electric shoc
k
2 CIRCUIT BREAKER TRIPS OR FUSE BLOWS.
G
The breaker trips
immediatly or
resetting is not
possible
There is a possibility
of groun fault.
Measure insulation
resistance. If
resistance value is <
1Mohm, insulation is
defective
Check the following
electrical parts:
drain pump (PC)
electric heater (RE)
CASE 2
CASE 1
Reset the breaker without
changing the unit settings.
What’s happen?
The breaker trips
after few minutes
Check
insulation of
EMI filter (EF)
Replace
faulty
component
Pagina 21