Johnson Controls TIWM006B21S, Operation Manual

Page: 40 / 44

36
P5417053-rev.1
8. Troubleshooting
8.1 This is Not Abnormal
Phenomenon Cause and Action
Operation Stopped
All indication lamps on the
wired controller are turned
2))
The micro-computer is activated to protect the
device from electromagnetic waves. Restart the
operation.
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Restart the operation. If the instantaneous power
failure is within two seconds, the operation restarts
automatically.
White Steam
from Indoor Unit
During Heating Operation
Dust attached to the heat exchanger has been
dried.
White Smoke
from Indoor Unit At Beginning of Heating
Operation Season This might occur when dust attached to the heat
exchanger has been dried.
Mist from Indoor Unit
In Restaurant or Kitchen
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During Dry Operation
This might occur when the air outlet temperature
becomes lower. Change the operation mode.
During Cooling Operation
in Humid Environment
This might occur when the air outlet temperature
becomes lower.
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Odor from Indoor Unit
Odor Discharged from
Indoor Unit
This might occur when the smell of cigarette smoke
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Ventilate the unit well in the fan mode and clean the
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Sound from Indoor Unit
Grate is heard when starting
or stopping the operation.
This is the sound made when the components are
rubbing against each other due to the extension
and contraction of the resin parts caused by the
temperature change.
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bubbling during the operation.
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or the drain-up mechanism drains water. The
sound may be heard especially when starting the
operation or stopping the compressor (for approx.
three minutes).
Growling sound may be heard
temporarily right after the air
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It is generated because the fan motor makes
temporary sound by change of fan speed.
Condensation on
Front Panel
Condensation on front panel
or cabinet or condensation
drips This might occur when the operation is performed
in humid location (relative humidity is approximately
80%) over a prolonged period of time.
Temperature Irregularity
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temperature of each air outlet
are irregular.
This might occur for structural reasons, such as the
size of air outlet and the location of heat exchanger.
“HOT-START” on LCD Turned ON
This might occur according to the operation mode
or operation conditions.
Operation Mode on LCD Flashing