Servicing Information - Panasonic CS-MA90KE Service Manual

CS-MA90KE

Servicing Information

Inspection points for the Indoor Electronic Control-
ler
1. The Electronic Controller, a signal Receiver and an
Indicator can be seen by removing the Front Grille
and Control Board Cover, as shown in the Fig. 1.
Indoor Fan Motor removal procedure
1. Remove the connector CN-MTR (GREEN) of Fan
Motor and connector CN-STM (GREEN) of stepping
motor from the electronic controller. Release the
earth wire (YELLOW-GREEN) from the control board
and sensors from its holders. (Refer Fig. 1)
2. Remove the Control Board
The Control Board can be removed by releasing the
top, left and right tabs shown in Fig. 2, 3, 4.
[A ↔ B] selection switch [SW1]
(Used when there are two units in one room)
Releasing the 2 right
tabs by pressing down
the top tab and pushing
up the bottom tab.
Releasing the 2 left
tabs by pressing down
the top tab and pushing
up the bottom tabs
– 37 –
Sensors Earth Wire Connector
Signal Receiver
Indicator
Remove the Control Board
Electronic
Controller
Electronic
Connector
(CN-MTR)
Stepping Motor Connector
(CN-STM)
Fig. 1
Top Taps
Fig. 2
Fig. 3
Fig. 4