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CH193VMC
CENTRALISED CONTROL FOR VMC UNITS
1.1 - ALARMS
15:25 15-09-20
3
DAY
23.0
1
[ AUTO ]
SEL
PROG
TEMP
2
RESET: OFF
ON
3
OFF
ENTER
The VMC has a self-diagnostic function that can detect up to 16 different
types of faults. The details of the faults are shown in the tables below,
where the presence of the figure "1" in a specific position indicates the
respective fault.
OFF
DISP
3s
2s
COMM:
communication error
SENS AIR:
AIR probe
SENS H4:
H4 probe
BAD WATER:
N.D.
SENS H2:
H2 probe
BAD H4:
H4 unsuitable
OT RESISTANCE:
high temp resistance
MOTOR:
motor failure
SW GRL:
SW GRL open
BAD H2:
H2 unsuitable
FILTERS:
filter cleaning
---
---
---
EXT CLOSE:
external contact closed
EXT OPEN:
external contact open
00000001
AL1
AL2
RESET
UP TO
ENTER
al1
37
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