Airwell AWAU-YDV1010-H13, Руководство по обслуживанию

Страница: 121 / 187

119
Master unit
digital tube
display
failure
code
Failure code
definition
Failure description Remarks
27-0
Oil temp. too high
protection
（
Toi L 1
）
Toili ≥120
℃（
E
）
at interval 25msec, continuous 2
times, and over the set value, then stop and alarm.
The oil temp. 10
℃
lower than the alarm condition
for 3 minutes after stop. If it occurs 4 times in an
hour, confirm the failure. (the same as Td too high
protection.)
Once
confirmed,
un-resumable
27-1
Oil temp. too high
protection
（
Toil2
）
28-0
High pressure
sensor Pd1 failure
If AD value is below 11 (open circuit) or over 1012
(short circuit) for 60 seconds, alarm.
Resumable 28-1
High pressure sensor
Pd2 failure
29
Low pressure sensor
Ps failure
30-0
High pressure switch
HPS1 failure
When power on, the confirmation of OFF for
continuous 2sec, alarm.
If it occurs 4 times in an hour, confirm the failure.
Once
confirmed,
un-resumable
30-1
High pressure switch
HPS2 failure
31
Liquid pipe pressure
sensor P1 failure
If AD value is below 11 (open circuit) or over 1012 (short
circuit) for 60 seconds, alarm.
32-0
Heat exchanger
outlet temp. Tsco
failure
If AD value is below 11 (open circuit) or over 1012
(short circuit) for 60 seconds, alarm, sensor has no
alarm when abnormal in heating mode.
Resumable
32-1
Liquid pipe SC temp.
of subcooler Tliqsc
failure
33-0
EEPROM (AT24C04)
failure
EEPROM communication failure
Once
confirmed,
un-resumable
33-1 EEPROM data check failure(model code, check, etc.)
33-2
EEPROM data logistic failure(data beyond limit,
reverse sequence, etc.)
34-0
Discharging temp.
too high protection
（
Td1
）
Td1
／
Td2≥130
℃（
E
）
at interval 25msec, continuous
2sec, and over the set value, then stop and alarm.
The oil temp. 10
℃
lower than the alarm condition for
3 minutes after stop, then resume automatically. If it
occurs 4 times in an hour, confirm the failure.
Once
confirmed,
un-resumable
34-1
Discharging temp. too
high protection
（
Td2
）