48
ALARMS AND SELF-DIAGNOSIS
Status
:
There is a possibility of failure other than the cooling performance. The chamber temperature is
under control.
The alarm may not be triggered in the case of any failure if this status continues
Contact our sales representative or agent.
LCD touch panel
Situation
Buzzer
Remote
alarm
Alarm & safety
Message display field
Status: Temp Control Risk. *4
S01: Cooling Circuits Overload.
When the chamber temp. does not reach the
set temp. for approx. 5 days or more.
―
―
Overload operation
*4
Status: Temp Under Control.
*5
S02: Ambient Temp Abnormal.
When the ambient temp. is over 35
o
C or
lower than 0
o
C.
Abnormal ambient
temperature
*5
Status: Temp Under Control.
S03: Air Intake Port Heater Failure.
Heater failure.
Intermittent
tone
Air Intake Port
Heater Failure
Status: Temp Under Control.
S04: Compressor Sensor ‘A’ Error.
Compressor sensor ‘A’ is disconnected.
―
Compressor Sensor
‘A’ disconnected
Status: Temp Under Control.
S05: Compressor Sensor ‘A’ Error.
When the compressor sensor ‘A’ is
short-circuited.
Compressor Sensor
‘A’ short-circuited
Status: Temp Under Control.
S06: Compressor Sensor ‘B’ Error.
Compressor sensor ‘B’ is disconnected.
Compressor Sensor
‘B’ disconnected
Status: Temp Under Control.
S07: Compressor Sensor ‘B’ Error.
When the compressor sensor ‘B’ is
short-circuited.
Compressor Sensor
‘B’ short-circuited
Status: Temp Under Control.
S08: Thermocouple ‘A’ Abnormal.
Diagnostic sensor failure.
Thermocouple ‘A’
Abnormality
Status: Temp Under Control.
S09: Thermocouple ‘B’ Abnormal.
Diagnostic sensor failure.
Thermocouple ‘B’
Abnormality
Status: Temp Under Control.
S14: Ambient Temp Sensor Error.
If the ambient temp. sensor is disconnected.
Ambient Temp
Sensor disconnected
Status: Temp Under Control.
S15: Ambient Temp Sensor Error.
If the ambient temp. sensor is short-circuited.
Ambient Temp
Sensor
short-circuited
Status: Temp Under Control.
S16: Main Battery Charging Failure.
When the battery voltage does not increase
after certain period.
Main Battery
Charging Failure
Status: Temp Under Control.
S17: Backup Battery Charging Failure.
Backup Battery
Charging Failure
Status: Temp Under Control.
S18: Exchange a Main Battery.
When the cumulative operating time exceeds
about 3 years.
Battery for power
failure alarm
replacement
Status: Temp Under Control.
S19: Exchange a Backup Battery.
When about 3 years passed after installing
backup cooling kit.
Battery for backup
cooling kit
replacement
Status: Temp Under Control.
S20: Battery Inactive, SW may be OFF.
When the battery switch for power failure
alarm is OFF.
Battery switch check
Door Open.
When door is open.
Intermittent
tone
(After door
delay time
has
elapsed.)
Door alarm
*
4
:
In the case of S01, check the following:
(1) There are too many items stored inside the chamber at a time.
(2) The door is frequently opened. The door seal is damaged.
(3) The set chamber temperature is higher than -80
o
C.
*
5
:
Check the air conditioning at the installation site in the case of S02.
The ambient temperature should be
5
o
C~30
o
C.
