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9 For emergency
1
5
2
6
3
7
9
4
8
10
Return air temperature sensor A is disconnected or
shorted.
Ask a dealer for inspection.
High-pressure switch has failed.
Ask a dealer for inspection.
Discharge gas temperature sensor is disconnected or shorted.
Ask a dealer for inspection.
Engine oil pressure switch has failed.
Ask a dealer for inspection.
Motor over-current protection device has failed.
Ask a dealer for inspection.
Pump down error has been detected during self
diagnosis operation (PTI operation).
Evaporator outlet temperature sensor A is
disconnected or shorted.
Ask a dealer for inspection
Supply air temperature sensor A is disconnected or
shorted.
Ask a dealer for inspection
Ambient air temperature sensor is disconnected or shorted.
Ask a dealer for inspection.
Defrost solenoid valve SV2 has failed.
Ask a dealer for inspection.
Engine cannot operate at high speed due to
failure on throttle solenoid.
Ask a dealer for inspection.
Controller cannot communicate properly.
Ask a dealer for inspection.
L1-phase of commercial 3-phase power supply is
open-phased (no current). (When L2 or L3 phase has
open-phased, no error occurs but the motor does not rotate.)
Ask for inspection on electric power supply.
Engine low speed is extensively deviated from
the rated speed.
Ask a dealer for inspection.
Engine high speed is extensively deviated from
the rated speed.
Ask a dealer for inspection.
Engine stalls frequently. Check if fuel exists in
the fuel tank. If fuel exists, ask a dealer for
inspection.
Fuse F10, 11 or 12 has blown.
Replace the fuse F10, 11 or 12 (10 A) in the
control box. If the same trouble persists after
replacement, ask a dealer for inspection.
Fuse F4 is blown. Replace the blown fuse (10 A)
in the control box. If it persists even after
replacement, ask your service agent to inspect.
Abnormal return air
temperature sensor.
Abnormal throttle
solenoid.
Abnormal high-pressure
switch.
Abnormal discharge gas
temperature sensor.
Abnormal engine
hydraulic switch.
Abnormal motor over-current
protection device.
Controller
communication error
Open-phase at
L1-phase.
External equipment
power supply fuse is
blown.
Blown drain hose
heater fuse.
Pump down is
abnormal.
Poor control of
engine low speed.
Poor control of
engine high speed.
Engine stalls
frequently.
Abnormal evaporator
outlet temperature
sensor.
Abnormal supply air
temperature sensor.
Abnormal ambient air
temperature sensor.
Abnormal defrost
solenoid valve.
Blinking
Blinking
Blinking
Blinking
Blinking
Blinking
Blinking
Blinking
Blinking
Blinking
Blinking
Blinking
On
On
On
On
On
On
Unit operation
continues.
Unit operation
continues.
Unit operation
continues.
Unit operation
continues.
Unit operation
continues.
Unit operation
continues.
Unit operation
continues.
Unit operation
continues.
Unit operation
continues.
Unit operation
continues.
Unit operation
continues.
Unit stops.
Unit stops.
Unit stops.
Unit stops.
Unit stops.
Unit stops.
(Automatic operation
resume repeats up to 9
times.)
Unit stops.
(Automatic operation
resume)
Trouble
Alarm
Code
Countermeasure
Alarm
Lamp
Unit
Condition
Содержание TU85SAE
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