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9 For emergency
1
5
2
6
3
7
9
4
8
10
Error
Code
Error Contents
Remedy
Error lamp
State of
Refrigeration Unit
Front door is not
closed.
Front door is open or not closed
completely. Close the door completely.
blinking
Unit operation stops.
(Automatic operation
reset)
Motor over-current
protection device tripped.
Motor over-current protection device has
tripped. Ask a dealer for inspection.
blinking
(lights after
1 blinking)
Unit operation stops.
(Automatic operation
reset repeats up to 1
time.)
Alternator failed to
generate power.
Power generation signal from the
alternator is not detected. When the unit
operation has been stopped due to this
error, ask a dealer for inspection.
blinking
(lights when
battery
voltage has
dropped)
Unit operation
continues.
(Operation stops
when the battery
voltage has
dropped.)
Inside container
temperature sensor failed.
Inside container temperature sensor coil
has blown or short-circuited. Ask a dealer
for inspection.
blinking
Unit operation
continues.
Throttle solenoid failed.
Sub-engine cannot operate at the high
speed due to the failure of throttle
solenoid. Ask a dealer for inspection.
blinking
Unit operation
continues.
High-pressure switch
failed.
High-pressure switch has failed. Ask a
dealer for inspection.
blinking
Unit operation stops.
(Automatic operation
reset)
Discharge gas
temperature sensor failed.
Discharge gas temperature sensor coil
has blown or short-circuited. Ask a dealer
for inspection.
blinking
Unit operation
continues.
Sub-engine hydraulic
switch failed.
Sub-engine hydraulic switch has failed.
Ask a dealer for inspection.
lighting
(blinking)
Unit operation
stops.(Operation
continues partially.)
Sub-engine speed
sensor is abnormal.
Some error has occurred on the sub-engine
speed sensor. Ask a dealer for inspection.
lighting
Unit operation
stops
Sub-engine maintenance
is demanded.
It is time to change the engine oil or
engine oil filter. Ask a dealer for inspection.
blinking
Unit operation
continues.
Motor over-current
protection device failed.
Motor over-current protection device has
failed. Ask a dealer for inspection.
lighting
Unit operation
stops
Controller
communication error
Controller cannot communicate properly.
Ask a dealer for inspection.
blinking
(lights after
9 blinkings)
Unit operation stops.
(Automatic operation
reset repeats up to
9 times.)
Contactor failed to
operate properly.
Motor switch has failed to operate
properly. Ask a dealer for inspection.
lighting
Unit operation
stops
R phase is interrupted.
R phase of commercial 3-phase power supply
is interrupted (current does not flow). (When S
or T phase has interrupted, no error occurs but
the motor does not run.) Ask for inspection on
electric equipment.
blinking
Unit operation
continues.
Fan clutch fuse is blown.
Fuse F4 has blown. Replace the fuse
F4 (10A) in the control box with a spare
fuse. If the same trouble repeats after the
replacement, ask a dealer for inspection.
lighting
Unit operation
stops
External device power
supply fuse is blown.
Fuse F8 has blown. Replace the fuse
F8 (5A) in the control box with a spare
fuse. If the same trouble repeats after the
replacement, ask a dealer for inspection.
blinking
Unit operation
continues.
