. DETAILED CONTROLS AND GAUGES
OPERATION
Other Functions Self-diagnostic Function It is possible to perform troubleshooting of various sensors and equipment used on the air conditioner. 1. Press OFF switch (1). The temperature setting and air flow display on the liquid crystal display portion go out and operation stops. 2. If the "∨" and "∧" parts of temperature setting switch (3) are kept pressed at the same time for at least 3 seconds, the troubleshooting mode is displayed on the liquid crystal display portion. <Monitor display and failure mode> Display
Failure mode
E--
No failure
E11
Disconnection in recirculated air sensor
E12
Short circuit in recirculated air sensor
E13
Disconnection in fresh air sensor
E14
Short circuit in fresh air sensor
E15
Disconnection in coolant temperature sensor
E16
Short circuit in coolant temperature sensor
E18
Short circuit in sunlight sensor
E21
Disconnection in vent sensor
E22
Short circuit in vent sensor
E43
Problem in vent damper
E44
Problem in air mix damper
E45
Problem in RECIRC/FRESH air damper
E51
Problem in refrigerant pressure
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