10-5. If a sensor is defective.
10-5-1.Indoor coil / room temperature thermistor is defective.
• Stand-by lamp on front side of
indoor unit is flashing on and off.
YES
• Replace thermistor(s).
• At least one of the thermistors is
defective (that is, SHORT or OPEN.)
Temperature
sensor
Lead
wires
Thermistor Structure
10-5-2.Outdoor coil / outdoor air temperature thermistor is defective.
• Status led (RED) on outdoor PCB
blinks 5 times then off (repeat)
YES
• Replace thermistor(s).
• At least one of the thermistors is
defective (that is, SHORT or OPEN.)
Definition of Open or Short Circuit of Sensor (Thermistor)
Open... A lead wire is broken or disconnected or the circuit inside the temperature sensor is open .
Short... The protective cover of a lead wire has been damaged, and the exposed wire is touching another metal
part, or both lead wires have become exposed and are touching each other. Alternatively, the circuit inside
the temperature sensor is closed.
NOTE
46
Содержание GR360M3R5TAA
Страница 15: ...Outdoor Unit GR360M3R5TAA 11...
Страница 24: ...8 2 Electric Wiring Diagrams Outdoor Unit GR360M3R5TAA Indoor Unit MCA90MR5TAA 20 Indoor Unit MCA180MR5TAA...
Страница 51: ...11 ARRANGEMENT OF ELECTRICAL COMPONENTS Terminal Plate Outdoor Unit GR360M3R5TAA 47 Electric Parts...
Страница 52: ...Outdoor Unit GR360M3R5TAA Parts Layout in Unit 48 Electronic Control Board Compressor A Compressor B...
Страница 53: ...Outdoor Unit GR360M3R5TAA 49 Solenoid valves lay out...