Toshiba MD-VNK802HEXE, Руководство по обслуживанию

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P10 P10
Detect indoor
addresses Indoor Indoor overflow
error All stopped • The float switch has worked.
• The float switch was broken, or
the connector was disconnected.
• Check the float switch connector.
• Check the drain pump
operations.
• Check the drain pump circuit.
• Check the drain pipe clogging.
• Check the indoor PC board error.
P13 P13 –
I/F Outdoor
compressor
liquid
compression
error All stopped <Cooling>
A high pressure value was detected
in the stopped terminal unit while
the system is performing the cooling
operation.
<Heating>
The PMV 1 and 2 opening
continues being 100p or lower while
the system is performing the
heating operation and the outdoor
PMV is performing the SH control. • Check the all-closing operations
of the outdoor PMV (1, 2, 4).
• Check the Pd and Ps sensor
error.
• Check the gas balance circuit
(SV2) clogging.
• Check the balance pipe clogging.
• Check the SV3B circuit clogging.
• Check the outdoor PC board (I/F)
error.
• Check the clogging of the oil
separator oil return circuit
capillary.
• Check the check valve leakage in
the discharge area.
P15 P15
01: TS condition I/F Gas leak
detection
(TS1 condition) All stopped Protective stop (performed when
the intake temperature is over the
judgment criterion for 10 minutes) is
repeated 4 times or more.
<TS error judgment criteria>
Cool: 60 °C or higher
Heat: 40 °C or higher • Check the refrigerant shortage.
• Open and check the outdoor
service valve. (Gas, Liquid)
• Check the outdoor PMV clogging
(PMV1, 2).
• Check the TS1 sensor resistant
characteristics.
• Check the four-way valve error.
• Check the SV4 circuit.
02: TD condition I/F Gas leak
detection
(TD condition) All stopped Protective stop (performed when
the compressor is running in low
frequency and the discharge
temperature TD1, TD2, or TD3 is
over 108 °C for 10 minutes) is
repeated 4 times or more. • Check the refrigerant shortage.
• Check the outdoor PMV clogging
(PMV1, 2).
• Check the TD1, TD2, or TD3
sensor resistant characteristics.
• Check the indoor filter clogging.
• Check the pipe clogging.
• Check the SV4 circuit (valve leak,
coil misinstallation).
P17 P17 –
I/F Discharge
temperature
TD2 error All stopped The discharge temperature (TD2)
exceeded 115 °C. • Open and check the outdoor
service valve. (Gas, Liquid)
• Check the outdoor PMV clogging
(PMV1, 2, 4).
• Check the TD2 sensor resistant
characteristics.
• Check the four-way valve error.
• Check the SV4 circuit leakage.
• Check the SV4 circuit.
(SV41 / SV42 / SV43 miswiring)
P18 P18 –
I/F Discharge
temperature
TD3 error All stopped The discharge temperature (TD3)
exceeded 115 °C. • Open and check the outdoor
service valve. (Gas, Liquid)
• Check the outdoor PMV clogging
(PMV1, 2, 4).
• Check the TD3 sensor resistant
characteristics.
• Check the four-way valve error.
• Check the SV4 circuit leakage.
• Check the SV4 circuit.
(SV41 / SV42 / SV43 miswiring)
P19 P19
Detected outdoor
unit No. I/F Four-way valve
reverse error All stopped A refrigerant cycling error was
detected during heating. • Check the four-way valve error.
• Check the four-way valve coil
error and connector connection.
• Check the TS1 and TE1 sensor
resistant characteristics.
• Check the Pd, Ps pressure
sensor error output voltage
characteristics.
• Check the misconnection of the
TE1, TL sensor.
Check code
Location
of
detection
Check code
name
System status Error detection conditions Items to check (locations)
Local
remote
controller
7-segment display of
outdoor unit
Check
code
Sub code