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EN
CHC1203 IT EN FR - REV001A
SYSTEM ERRORS
CAN BUS communication error
This fault is displayed if there are errors that cannot be recovered during CAN network
communication.
Make sure the data cables are properly connected.
No MASTER
This fault is displayed if there is not a chain counter with MASTER priority in the CAN net-
work (see chapter MULTIPLE CHAIN COUNTERS).
See if the MASTER chain counter is on and the data line connections.
SPEED
0M/M
LOW VOLTAGE
SPEED
0M/M
NO MASTER
SPEED
0M/M
CAN ERROR
SYSTEM FAULTS
System faults that appear on the state line divided into three categories which are shown below: problems with automat-
ic reset, problems with automatic reset and keys locked and problems with manual reset.
PROBLEMS WITH AUTOMATIC RESET
These faults are automatically reset as soon as the cause that had generated the problem disappears.
Low voltage
The fault is displayed if the power supply voltage drops below 10.5Vdc for more than one
second. The reset of this problem occurs if the power supply voltage exceeds the thresh-
old of 11.0Vdc for more than one second.
Check the charge state of the battery group that supplies power or the electrical plant.
Opposed commands
This fault is displayed if keys UP or DOWN of the chain counter are pressed at the same
time as the respective external control DOWN or UP key (another chain counter or
another remote switch).
If the fault is present, keys
p
,
q
(UP, DOWN) are disabled.
PROBLEMS WITH AUTOMATIC RESET AND KEYS LOCKED
These faults are automatically reset as soon as the cause that had generated the problem disappears. Some keys are dis-
abled when these faults are present.
Remote programming active
This fault is displayed if a chain counter has entered the SETTINGS menu in the CAN
network (see chapter MULTIPLE CHAIN COUNTERS). Wait until the chain counter has exit
the menu.
If the fault is present, key
=
(SELECT) is disabled.
SPEED
0M/M
OPPOSED
SPEED
0M/M
REMOTE PROG
Summary of Contents for CHC1203
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