Honeywell ML200 Series Installation And Commissioning Manual page 62

Chapter 4 - Troubleshooting
Code Error Causes
300 Redundancy
system
synchronous
operating error.
301 Standby CPU
failed to operate
as redundancy
because of
master CPU
error.
500 Data memory
backup is not
possible
501 Abnormal clock
data
502 Low-battery
voltage
ATTENTION
Error codes during the CPU operation can be checked at the A/S Service Center.
l
Other errors, if any, can be checked by using the error log in SoftMaster.
l
Measures
Restart mode after the
measure.
During redundancy
operating,
synchronization error
occurs.
Restart as redundancy
operation
Set operation mode of
l
standby CPU as
STOP.
Cancel the error of
l
master CPU and then
restart.
Change standby CPU
l
into RUN mode.
Restart standby CPU as
single operation.
Disable master CPU
l
(STOP mode or power
cut).
Restart standby CPU
l
through reset switch
or by changing the
operation mode from
STOP to RUN.
Turn it on again if battery
is normal. It is converted
to STOP mode in
Remote mode.
Reset the time by
SoftMaster if battery is
normal.
Replace a battery with
the power on.
- 60 -
Operation LED
Status Status
STOP E300
STOP E301
STOP ERR : On Reset
- CHK: On Always
- BAT: On
Diagnostic
Timing
Switch to
redundancy
operation.
Start
standby
operation.
Always