Daikin DCM601A51 Commissioning Manual page 84

Scene Failure mode Impact to users
During Emergency Stop Emergency stop cannot
Leakage signal has been stop indoor units
Check received during
Leakage Check
Time has been None
modified during
Leakage Check
iTM stops during None
Leakage Check due
to power outage
iTM and outdoor unit Leakage Check is
stopped simultaneously interrupted
during Leakage Check
due to power outage
Error in the None
communication
between iTM and
outdoor unit during
Leakage Check
Outdoor unit Leakage Check is
experiences interrupted
power outage
during Leakage
Check
Attempt to • The outdoor unit/
release indoor units
Maintenance malfunction
status of the because Automatic
target Control is not
management disabled
point from • Leakage Check
System Settings instruction can be
during Leakage sent again
Check
Leakage Outdoor unit None
Check experiences
results communication
acquisition error after Leakage
Check end
iTM stops after None
Leakage Check
end due to
power outage
83
Cause
Indoor units are
under maintenance
—
—
The outdoor unit
interrupts Leakage
Check in case of
power outage
—
The outdoor unit
interrupts Leakage
Check in case of
power outage
Automatic Control are
not disabled
Whether Leakage
Check is been run or
not cannot be checked
—
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Commissioning Manual EM11A021
DCM601A51 intelligent Touch Manager
Handling
Notification method
When How
At emergency • The emergency stop
stop signal signal is sent and indoor
generation units emergency stopped
Judgment is possible because the results are viewable when
an iTM start time of 180 minutes has elapsed since the start
of Leakage Check even after a change in the scheduled time.
However, modifying the time during Leakage Check should
be avoided from the operation viewpoint
When iTM starts up after power recovery, it judges the end
time from the Leakage Check start time and current time. If
the Leakage Check has not been completed, it is continued
and the results checked after completion
When a • Leakage Check
communication failure is recorded
error occurred in the history
• Maintenance status
is released
When an iTM • Maintenance status
start time of is released and the
180 minutes Leakage Check
has elapsed results checked
since the
start of
Leakage
Check
When releasing • Transition to the
the Maintenance Maintenance
status screen is prevented
during Leakage
Check
There is no problem since the Leakage Check results are
already received
There is no problem since the Leakage Check results are
already received
Recovery method
Touch the [Check Start]
button or set up the
schedule again after the
Emergency Stop is released
Touch the [Check
Start] button again or
set up the schedule
again after
recovering the cause
of failure
Touch the [Check
Start] button again or
set up the schedule
again after
recovering the cause
of failure
—