- 37 -
: Check short circuit in the PCB part
such as relay and sensor part.
YES
YES
NO
NO
Water Over Supply Error (E-78)
Does Water Valve work?
Connect steam generator
water level connector.
Replace the Water Valve
Is steam generator water
level connector disconnected?
Perform the operation again and check if it
is working properly.
YES
NO
S/W Error
After Power > On,
does the symptom continue?
Replace the PCB.
4-1-11 E-78
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