Indoor Fan Motor Operation; Outdoor Fan Motor Operation - Panasonic CS-S18HKQ Service Manual

12.2. Indoor Fan Motor Operation

A. Basic Rotation Speed (rpm)
i. Manual Fan Speed
• Fan motor's number of rotation is determined according to remote control setting.
Remote Control
Tab (rpm)
ii. Auto Fan Speed
• According to room temperature and setting temperature, indoor fan speed is determined automatically.
• The indoor fan will operate according to pattern below.
B. Feedback control
• Immediately after the fan motor is started, feedback control is performed once every second.
• During fan motor on, if fan motor feedback
increased, fan motor is then stopped and restarted. If the fan motor error counter increased to 7, then H19 - fan motor error is
detected. Operation stopped and could not be restarted.

12.3. Outdoor Fan Motor Operation

Outdoor fan motor is operated with one fan speed only. Outdoor fan turns on when compressor starts to operate. But Outdoor fan
will turn off 30 seconds after compressor stops to operate.
O O
Hi Me+
2550 rpm or < 50 rpm continuously for 10 seconds, the fan motor error counter
31
O O
Me Me-
O
Lo