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CH193VMC
37
CENTRALISED CONTROL FOR VMC UNITS
7.13 - ALARMS
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.
COMM:
communication error
SENS AIR:
AIR probe
SENS H4:
H4 probe
BAD WATER:
blockage for harmful water
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:
fliter cleaning
---
---
---
EXT CLOSE:
external contact closed
EXT OPEN:
external contact open
2s
2
1
LIGHT ON 15S
ENTER
00000001
ENTER
al1
ADV. PROGR
15:25 15-09-20
23.0
SEL
TEMP
PROG
DISP
OFF
[ AUTO ]
3
DAY
3s
PRESS
ENTER
AL1
AL2
RESET
RESET: OFF
ENTER
PRESS
ENTER
ON
OFF
3
PRESS
UP TO
00000000
00000000
al1
al2