Panasonic WH-MHF12G9E8 Service Manual page 83

Be careful not to touch parts other than RCCB/ELCB test button when the power is supplied to Indoor Unit. Else, electrical shock
may happen.
Push the "TEST" button on the RCCB/ELCB. The lever would turn down and indicate "0" and indicate
o
green colour if it functions normal.
Contact authorized dealer if the RCCB/ELCB malfunction.
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Turn off the power supply to the indoor unit.
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If RCCB/ELCB functions normal, set the lever to "ON" again after testing finish.
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6. Reset overload protector
Overload protector serves the safety purpose to prevent the water over heating. When the overload protector
trip at high water temperature, take below steps to reset it.
a. Take out OLP cover.
b. Use a test pen to push the centre button gently in order to reset the Overload protector.
c. After finish, install back the Overload protector following the reverse order of step a & b.
7. External water filter (field supply)
Clean the external water filter in regularly basic.
External water filter is located inside the tube connector which is before water inlet connector of Mono
o
bloc unit (indicated with "WATER IN"). (Refer to figure below)
Use spanner to detach the tube connector nut.
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Take out the filter carefully so that not deforms it shape.
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Use tap water only to wash the residue on the filter. If necessary, gently use soft brush only to clean the
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hard dirt.
After clean, put it back to the original location and tighten the nut connection with torque wrench.
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WARNING
How to reset Overload protector
83
Use test pen to
push this button
for reset Overload
protector.
Water Inlet Nut
Connector
Location Of External Water Filter
Water Outlet
External
Water Filter
Water Inlet