Toshiba MMY-MAP0804HT8-E Service Manual page 75

NO. Item
Filter sign
display
(not applicable
to wireless type)
* Provided in
the separately
mounted type,
TCB-AX21E.
14
Operation
standby
Heating standby
15
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1. The indoor fan's cumulative hours of operation are counted, and when these
exceed the prescribed value (150H/2500H), a filter replacement signal is sent to
the remote controller to display a filter sign on it.
2. When a filter reset signal is received from the remote controller, the timer
measuring cumulative hours is cleared. If the prescribed hours have been
exceeded, the hours count is reset, with the sign on the remote controller display
erased.
Filter service life
4-way air discharge cassette type
1-way air discharge cassette type
(SH, YH)
2-way air discharge cassette type
Type Under ceiling type
Concealed duct standard type
Concealed duct high static
pressure type
Slim duct type
<Operation standby> .......... Displayed on remote controller
1. When any of the DN codes listed below is displayed
• "P05" - Detection of an open phase in the power supply wiring
• "P10" - Detection of indoor flooding in at least one indoor unit
• "L30" - Detection of an interlock alarm in at least one indoor unit
2. Forced thermo OFF
• "COOL/DRY" operation is unavailable because at least one indoor unit is
operating in "HEAT" mode.
• "HEAT" operation is unavailable because at least one indoor unit is operating in
"COOL/DRY" mode under priority cooling setting (bit 1 of SW11 on outdoor I/F
P.C. board ON).
3. All indoor units not able to engage in any of the above operations stand by in
thermo OFF state.
4. The indoor fan has been turned off because the system is engaged in a heat
refrigerant (oil) recovery operation.
<Heating standby> .......... Displayed on remote controller
1. Normal thermo OFF
• During heating, the indoor unit goes thermo OFF as the heating temperature
setting is reached.
2. During heating, the fan rotates at a breeze speed (UL or lower) or remains
stationary to prevent cold air from being discharged (including defrosting
operation).
3. Forced thermo OFF
• "HEAT" operation is unavailable because at least one indoor unit is operating in
"COOL/DRY" mode under priority cooling setting (bit 1 of SW11 on outdoor I/F
P.C. board ON).
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Specification outline
2500H
High wall type
Floor standing type
Floor standing concealed
type
Floor standing cabinet type
74
Remarks
"FILTER " displayed
150H
• "OPERATION
STANDBY
displayed
No display provided
on wireless remote
controller
• "HEATING
STANDBY
displayed
"
"