Daikin DCM601A51, Commissioning Manual

Page: 84 / 125

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