Toshiba MMC-UP0151HP-E, Руководство по обслуживанию

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Check code
Location
of
detection
Description System status
Check code detection
condition(s)
Check items (locations)
• Check check code
displayed on outdoor
follower unit.
<Convenient functions>
If SW04 is pressed and held
for at least 1 second while
[E28] is displayed on the 7-
segment display of outdoor
header unit, the fan of the
outdoor unit that has been
shut down due to an trouble
comes on.
If SW04 and SW05 are
pressed simultaneously, the
fans of normal outdoor units
come on.
To stop the fan or fans,
press SW05 on its own.
I/F Detected
outdoor unit No. Outdoor
follower unit
trouble All stop Outdoor header unit
receives trouble code from
outdoor follower unit.
E28 E28
• Check wiring and
connectors involved in
communication between
P.C. board I/F P.C. board for
bad contact or broken wire.
• Check for failure in outdoor
P.C. board (I/F, comp. P.C.
board or Fan P.C. board).
• Check for external noise.
I/F
Circle (O):
Trouble
P.C. board
P.C. board
communication
trouble All stop Communication is disrupted
between P.C. board in
inverter box.
E31 E31
• Operation of power supply
reset (OFF for 60 seconds
or more)
• Outdoor I/F PC board
trouble check
Communication
trouble between
MCU and Sub
MCU All stop Communication between
MCU and Sub MCU
stopped.
80
• Check connection of TCJ
sensor connector and
wiring.
• Check resistance
characteristics of TCJ
sensor.
• Check for failure in indoor
P.C. board.
Indoor TCJ
sensor trouble Indoor unit Stop of
corresponding
unit Sensor resistance is infinity
or zero (open/short circuit).
F01 — —
• Check connection of TC2
sensor connector and
wiring.
• Check resistance
characteristics of TC2
sensor.
• Check for failure in indoor
P.C. board.
Indoor TC2
sensor trouble Indoor unit Stop of
corresponding
unit Sensor resistance is infinity
or zero (open/short circuit).
F02 — —
• Check connection of TC1
sensor connector and
wiring.
• Check resistance
characteristics of TC1
sensor.
• Check for failure in indoor
P.C. board.
Indoor TC1
sensor trouble Indoor unit Stop of
corresponding
unit Sensor resistance is infinity
or zero (open/short circuit).
F03 — —
• Check connection of TD1
sensor connector.
• Check resistance
characteristics of TD1
sensor.
• Check for failure in outdoor
P.C. board (I/F).
TD1 sensor
trouble I/F All stop Sensor resistance is infinity
or zero (open/short circuit).
F04 F04 —
Main
remote
controller
Outdoor 7-segment display
Check
code
Sub-code
P.C.board
Compressor Fan Motor
01
02
03
08
09
0A
0B
10
O
O
O
O
O
O
O
O
O
O
O
O
O
1 2 1 2
11
12
13
18
19
1A
1B
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
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