Phcbi MPR-S150H Series, Operating Instructions Manual

Page: 53 / 68

53
ALARMS AND SELF-DIAGNOSIS
This unit has the alarm functions and self-diagnosis functions listed below.
An error code and error message are displayed on the message column when an alarm or self-diagnosis
goes off.
Contact our sales representative or agent if the alarm mode continues, since the failure of the unit is
supposed.

Before calling for service, take some precautions to prevent the stored items (for example by
transferring the items to another refrigerator).
The first letter of the error code means:
W: Warning - The cooling performance is significantly reduced.
A: Alarm - The cooling performance may decline and the temperature of the chamber may rise.
S: Status - There is a possibility of failure other than the cooling performance. Or the status of the unit is
notified.
*1: When the optional battery kit for power failure alarm is installed.
*2: The chamber temperature is displayed for five seconds and the buzzer stops when the buzzer stop
key (BUZZER STOP) is pressed during the power failure alarm. The red LED lamp continues to blink.
Error
code
Error message Alarm content LED
indicator
Buzzer Remote
alarm
Alarm
log
W01 Ref.SNSR Open Disconnection of thermal
sensor Blinking of
red lamp Intermittent
tone Alarm mode Logged
W02 Ref.SNSR Short Short-circuit of thermal
sensor Blinking of
red lamp Intermittent
tone Alarm mode Logged
W05 Freeze Warning Alarm of chamber temp.;
equal or lower than 0
o C
Blinking of
red lamp Intermittent
tone Alarm mode Logged
W06 Ref.Temp.High High-temperature alarm Blinking of
red lamp Intermittent
tone Alarm mode Logged
W07 Ref.Temp.Low Low-temperature alarm Blinking of
red lamp Intermittent
tone Alarm mode Logged
W10
*1
Power Failure Power failure alarm
*2
Blinking of
red lamp Intermittent
tone Alarm mode Logged
W12 INT Fan Lock Chamber fan lock Blinking of
red lamp Intermittent
tone Alarm mode Logged
W13 Comp. Fan Lock Compressor fan lock Blinking of
red lamp Intermittent
tone Alarm mode Logged
A01 Door Open Door alarm Blinking of
red lamp Intermittent
tone --- ---
A02 Def.SNSR Open Disconnection of defrost
sensor Blinking of
red lamp Intermittent
tone --- Logged
A03 Def.SNSR Short Short-circuit of defrost
sensor Blinking of
red lamp Intermittent
tone --- Logged
A06 Ref.Temp.High Delayed status of high-temp.
alarm Blinking of
red lamp --- --- ---
A07 Ref.Temp.Low Delayed status of low-temp.
alarm Blinking of
red lamp --- --- ---
S01 Door Delay ON Delayed status of door alarm Blinking of
red lamp --- --- ---
S02
*1
Battery Err. Battery installation error Blinking of
red lamp Intermittent
tone --- ---
S03
*1
Replace Battery The time for battery
replacement --- --- --- ---
S04 COMM Err. Communication error Blinking of
red lamp --- --- Logged