25
*1 : The setting of ice making compartment will be displayed and blinks during or after ice making test operation.
*2 : This operation is called the recovery operation:
If the damper has not operated ever once during the compressor operation, make the damper operate when the compressor stops.
*3 : When the resistance is
, the circuit is deemed open-circuited.
When the resistance is 0 , the circuit is deemed short-circuited.
*4 : Once
E01
is detected, other errors would be ignored and not displayed on the panel.
*5 : Characteristic value may change in order to improve the product.
*6 : The error codes
E50
to
E55
are not displayed even if those abnormalities occur at power input.
Therefore, be sure to perform ice making test operation in order to check if any abnormality indicated by these error codes occurs. (See page 22.)
*7 : If those errors still continue for 1 minute after the restart,
E56
will be displayed again.
Display Error
code
Display
Trouble
Detecting method
(*3)
Check point
Measures
Control
Tens' place Ones' place
Self-check
Error display
E 50
Trouble of
inverter circuit
• When there is any
trouble in the circuit
which detects current
of compressor.
Refer to “Compressor does not operate” at page 30.
The compressor is sus-
pended and reactivated
10 minutes later.
E 51
Trouble of
bus-bar volt-
age
• When the range of bus-
bar voltage is not approx.
50 ~ 380 V DC.
E 52
Trouble of
inverter software
reset function
• When the inverter driv-
ing software malfunc-
tions.
E 53
Trouble of
startup, syn-
chronization
or overcurrent
detection
• When there is no cur-
rent at compressor
startup.
• When phase current
exceeds 5.5A at com-
pressor startup.
• When phase current
exceeds 3.3A during com-
pressor operation.
• When current of 5.3A or
more runs into the bus-
bar of control board.
E 55
Trouble of
control board
(EEPROM
related trou-
ble)
EEPROM (IC11M)
accumulates data neces-
sary for control.
• When the data are not
input accurately.
• When microcomputer
cannot read the data.
Replace the
control
board.
When abnormality occurs in
power input, the compres-
sor is suspended for 10
minutes.
When abnormality occurs in
normal operation, the com-
pressor keeps operating.
E 56
Defective wir-
ing connecting
or trouble of
control board
The errors
E50
to
E53
keep occurring over one
and a half hour. (The
situation, which compres-
sor cannot be operated,
continues.)
Refer to “Compressor does not operate” at page 31.
• Error display starts after
it is regarded as
E56
.
• Error display continues
until defrosting starts or
cooling operation gets
back to normal. (Error
display doesn’t disap-
pear by unplugging and
plugging the power cord.
*7)
• Try to restart compressor
every 3 minutes.
E 57
Inverter drive
module abnor-
mality
When the overcurrent
error is detected before
starting the compressor
(failure of the IC in the
inverter drive module).
Replace the
control
board.
Try to start the compres-
sor every 3 minutes.
(*6)
(*6)
(*6)
(*6)
(*6)
