Mitsubishi Electric PURY-P200, Руководство по обслуживанию

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Checking code Meaning, detecting method Cause Checking method & Countermeasure
5101
5105
5106
5107
Discharge
(TH11)
(TH12)
Piping
(TH5)
Outdoor
air
tempera-
ture
(TH6)
Liquid
tempera-
ture
(TH7)
SC coil
outlet
(TH8)
(1) Thermistor failure
(2) Pinched lead wire
(3) Coating tear
(4) No pin on the connector,
contact failure
(5) Disconnected wire
(6) Thermistor input circuit
failure on the main board
Shorting detection
TH11 240˚C or higher (0.57k
Ω
)
TH12 240˚C or higher (0.57k
Ω
)
TH5 110˚C or higher (0.4k
Ω
)
TH6 110˚C or higher (0.4k
Ω
)
TH7 70˚C or higher (1.14k
Ω
)
TH8 70˚C or higher (0.4k
Ω
)
Thermistor resistance check
Check for lead wire.
Check for coating.
Check for connector.
Check for wire.
Check the intake temperature of
the sensor with the LED monitor.
When the temperature is far
different from the actual
temperature, replace the control
board.
Open detection
0˚C or lower (643k
Ω
)
0˚C or lower (643k
Ω
)
-40˚C or lower (130k
Ω
)
-40˚C or lower (130k
Ω
)
-40˚C or lower (130k
Ω
)
-40˚C or lower (130k
Ω
)
1. Shorting (high temperature in-
take) or open (low temperature
intake) of the thermistor is de-
tected. (First detection)
The outdoor unit will stop at
once and the restart preven-
tion mode will be operated for
3 minutes. When the detection
temperature of the thermistor
is within the normal range just
before the restart, the unit
must be restarted.
2. When shorting or open is de-
tected again (second detec-
tion) during the operation after
the restart, the outdoor unit will
stop at once and the restart
prevention mode will be operat-
ed for 3 minutes. When the de-
tection temperature of the
thermist or is within the normal
range just before the restart,
the unit must be restarted.
3. When shorting or open is de-
tected again (third detection)
during the operation after the
restart, the outdoor unit will
make an error stop.
4. When shorting or open of the
thermistor is detected just be-
fore the restart, the unit will
make an error stop and check
code “5101”, “5103”, “5104”,
“5105”, “5106”, “5107”, and
“5108” will appear.
5. LED display, which indicates
the grace period, will appear
while the restart prevention
mode is being operated.
6. Shorting or open is not detect-
ed for 10 minutes after starting
the compressor or for 3 mi-
nutes during or after defrosting.
5108
5110
5111
5112
5115
5116
Radiator pan-
el tempera-
ture sensor
abnormality
Error details 01:
Compressor
INV side
Error details 05:
Fan INV side
(1) THHS sensor failure
(2) Contact failure
(3) INV board failure of the
compressor or the fan
(1) Thermistor trouble.
(2) Biting of lead wire.
(3) Broken cover.
(4) Coming off of pin at connector
portion, poor contact.
(5) Broken wire.
(6) Faulty thermistor input
circuit of control board.
Check for short circuit in THHS
sensor.
Replace THHS sensor.
Replace INV board of the
compressor or the fan.
Check thermistor resistance.
Check lead wire biting.
Check broken cover.
Check coming off of pin at
connector.
Check broken wire.
Check sensor sensing temperature. If
it deviates from the actual temerature
seriously, replace control panel.
THHS open or shorting is
detected just before starting the
inverter or during operation.
1.When short (high temp. inlet)
or open (low temperature
inlet) of thermistor is detected
during operation, error stop
will be commenced displaying
“5111” or “5112,” or “5115” or
“5116”.
2.The above detectection is not
made during defrostig and 3-
minute after changing
operation mode.
T
emper
ature sensor abnor
mality (Outdoor unit)
Thermal sensor abnormality (BC controlled)
✻
For the check code on the inverter, refer to
“
7. Inverter and compressor
”
in the section [4]
“
Troubleshooting of principal parts
”
Liquid inlet
(TH11)
Bypass
outlet
(TH12)
Bypass
inlet
(TH15)
Intermedi-
ate section
(TH16)
Short Detected Open Detected
TH11 110
°
C or more -40
°
C or less (130 k
Ω
)
TH12 110
°
C or more -40
°
C or less (130 k
Ω
)
TH15 70
°
C or more -40
°
C or less (130 k
Ω
)
TH16 70
°
C or more
(0.4 k
Ω
)
(0.4 k
Ω
)
(1.14 k
Ω
)
(0.4 k
Ω
) -40
°
C or less (130 k
Ω
)