Hitachi RAS-25QH1 Technische Information Seite 207

| CHECKING THE INDOOR UNIT/OUTDOOR UNIT ELECTRICAL PARTS AND REFRIGERATING CYCLE 5
(MODEL RAS-40QH1]
1.__ Indoor unit electrical parts (Judging between "indoor unit" and "outdoor unit")
NO
- Remove the decorative cover and power board cover.
Main P.W.B.
interface indicator lamp
P.W.B. support (green)
Compressor operation
X Removing the main P.W.B. p lamp (red)
Use long nose pliers, etc. to hold
the P.W.B. support and remove
it, then pull out the P.W.B.
When replacing the P.W.B.
insert the P.W.B. support
securely and straight.
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Timer indicator lamp (green)
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