Toshiba MMD-UP0721HFP Series Service Manual page 60

Indoor service monitor list
Code No.
00 Room temperature (Use to control)
01 Room temperature (Remote controller)
02 Indoor suction air temperature (TA)
03 Indoor coil temperature (TCJ)
04 Indoor coil temperature (TC2)
05 Indoor coil temperature (TC1)
06 Indoor discharge air temperature (TF) *
07 Indoor fan motor number of revolutions**
08 Indoor PMV opening
F3 Filter sign time
Suction temperature of air to air heat
F9
exchanger (TSA) *
Outside air temperature (TOA) *
FA
* When the units are connected to a group, data of the header indoor unit only can be displayed.
** There is also a model which cannot be displayed.
• Refer to the service manual of an outdoor unit for "outdoor service monitor list".
� LED display on P.C. board
1. D501 (Red)
• D501 goes on at the same time when the power supply is turned on.
(Goes on with operation of the main microprocessor)
• D501 flashes with 1-second interval (every 0.5 second) : When there is no EEPROM or write-in error
• D501 flashes with 10-seconds interval (every 5 second) : In DISP mode
• D501 flashes with 2-seconds interval (every 1 second) : During setting of function exchange
2. D403 (Red)
• D403 goes on when power is supplied to the remote controller. (ON in hardware)
3. D503 (Yellow): Indoor/Outdoor central control
• D503 goes on for 5 seconds at the first half during communication with the central controller.
• D503 flashes for 5 seconds with 0.2-second interval at the latter half during communication with
outdoor unit. (Goes on for 0.1 second, goes off for 0.1 second)
4. D504 (Green): Remote controller communication
• D504 goes on for 5 seconds at the first half during communication with remote controller.
(Header unit of group)
• In the group indoor unit, D504 flashes for 5 seconds with 0.2-second interval at the latter half during
communication between header and follower unit. (Goes on for 0.1 second, goes off for 0.1 second)
Data name Display format
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Unit Remote controller display example
×1 °C
×1 °C
×1 °C
×1 °C
×1 °C
×1 °C
×1 °C
×1 [0600] = 600rpm
rpm
×1/10 pls [0150]=1500pls
×1 h [2500] = 2500h
×1
[0024] = 24°C
×1
(EEPROM)