AirStage ARXB07LALH, Service Manual

Page: 113 / 207

OK
OK
OK
OK
1. Rotation obstructed by foreign matter
2. Ventilation obstructed by heat exchange foreign matter
3. Excessive ambient temperature rise
4. Static pressure setting incorrect, specifIed static pressure value exceeded
5. Fan motor defective (internal PCB defective)
Outdoor unit fan
Check Point 1 : Check fan rotation state
Check for the absence of foreign matter around the fan
Check Point 2 : Check for obstruction of ventilation by heat exchange foreign matter
Check for foreign matter on heat exchanger
Check if fan can be rotated by hand.
Motor winding resistance check
Motor operation check
Check Point 5 : Replace the fan motor
Ambient temperature not raised by the effect of other heat sources?
Discharged air not sucked in?
Check Point 4 : Check the static pressure
Check if static pressure is set correctly.
Check if static pressure is not higher than the specified value.
Check Point 3 : Check the ambient temperature
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E. 97. 5 (FAN1), E. 98. 5 (FAN2)
Error Code : 97 (FAN1), 98 (FAN2)
04-49
Outdoor Unit Fan Motor 1 Temp. Abnormal
Protection stop by speed 220rpm after 60 seconds have elapsed
after fan operation command issued generated 3 times within 3 hours.
Trouble shooting 39
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
Outdoor Unit Fan Motor 2 Temp. Abnormal