Mitsubishi Electric s-MEXT-G00 006 Technical Manual page 66

Computer room air conditioner
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TM_s-MEXT_ME28relC_00_12_19_EN
Code
Display description
Low Pressure
321
circuit 2 sensor
Failed/Disconnected
Frost Protection
323
Active circuit 1
Frost Protection
324
Active circuit 2
Life timer expired
402
Reset/Clean cylinder
Humidifier:
404
Drain alarm
Humidifier:
406
Loss of Water
Humidifier:
408
Low Current
Humidifier:
410
High Current
Generic alarm
412
Humidifier
Flood Alarm: check
510
2
Water Connections
LAN Interrupted
520
Units not connected:
Room Temperature
530
Below Min. Limit
Room Temperature
531
Above Max. Limit
Room Humidity
540
Below Min. Limit
Room Humidity
541
Above Max. Limit
EEPROM Error:
601
Replace Control Board
Maintenance needed
610
Clogged Filters
630
Clean or Replace
Filter Element
711
BMS1 bus OFFLINE
712
BMS2 bus OFFLINE
PAC-IF013B-E
810
P1 Alarm
PAC-IF013B-E
811
P2 Alarm
PAC-IF013B-E
812
P6 Freezing Alarm
PAC-IF013B-E
813
P6 Overheating Alarm
This event is displayed only if the P22.83 parameter is set as "Alarm - Automatic" or "Alarm - Manual
2
Technical manual
Circuit 2 low pressure transducer fault alarm.
Circuit 1 frost-free function protection alarm.
Circuit 2 frost-free function protection alarm.
Humidifier cylinder expiry alarm.
Visible only if internal humidity control is present.
Humidifier discharge alarm.
Visible only if internal humidity control is present.
Leak of humidifier water alarm.
Visible only if internal humidity control is present.
Low humidifier current alarm.
Visible only if internal humidity control is present.
High humidifier current alarm.
Visible only if internal humidity control is present.
Generic humidifier alarm.
For alarm details, please refer to the chapter on internal humidifier
control.
Reports the engagement of the flooding sensor.
Visible only if the detecting input is present.
Reports a disconnection or interruption in the local network (LAN).
Visible only if the local network (LAN) management is set.
Reports that the temperature is below the minimum set level.
Reports that the temperature is above the maximum set level.
Reports that room humidity is below the minimum set level.
Visible only if humidity control is present..
Reports that room humidity is below the maximum set level.
Visible only if humidity control is present..
Reports a problem to the controller permanent memory.
Request of maintenance due to operating hour limit exceeded (fan
unit, compressors, heating elements, humidifier).
It indicates that the air filters are dirty.
Visible only if the detecting input is present.
Signals that the BMS1 bus is Offline (the supervisor no longer queries
the controller).
Signals that the BMS2 bus is Offline (the KIPlink no longer queries the
controller).
Master
Target air temperature sensor faulty TH1
(Master PAC-IF013B-E)
Liquid temperature sensor faulty TH2
Master
(Master PAC-IF013B-E)
Master
Freezing protection
(Master PAC-IF013B-E)
Master
Overtemperature protection
(Master PAC-IF013B-E)
Details
66
Event
Reset
Position
Time
Time
A
A
CI
A
A->M
CI
A
A->M
CI
A
A
U
A
A
U
A
A
U
A
A
U
A
A
U
A
M
U
S
A/M
P
S
A
P
S*
A
P
S*
A
P
S
A
P
S
A
P
S
A
U
S
A
U
S
A
U
S
A
P
S
A
P
A
A
P
A
A
P
A
A
P
A
A
P
TRANSLATION OF THE ORIGINAL INSTRUCTIONS
Action
FN
CI
CI
HU
HU
HU
HU
HU
HU
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO

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