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Checking code
2502
Meaning, detecting method
Cause
Checking method & Countermeasure
Drain pump
abnormality
(This error
occurs for all
the indoor
units in the
same
refrigerant
system.)
When drain sensor detects
flooding during drain pump ON
in the stopped indoor unit.
(1) Drain pump malfunction
(2) Clogged drain pump intake
(3) Clogged drain pipe
(4) Return water from drain pipe
(installation defect)
Refer to the previous page.
<Error release method>
Reset the power of the
applied indoor unit. However,
the reset (error reset) using
the remote controller can be
done in 10 minutes after the
power has been reset.
Furthermore, the reset using
the remote controller is
required for all the indoor
units.
2503 Drain sensor
abnormality
When short circuit or open
circuit is detected during
operation (cannot be detected
during OFF).
Short circuit:
detected 90˚C or more
Open circuit:
detected –20˚C or less
(1) Thermistor failure
(2) Connector contact failure
(Insert failure)
(3) Disconnected wire or partial
disconnected wire for
thermistor
(4) Indoor board (detection
circuit) failure
Thermistor resistance check
0˚C : 6.0k
Ω
10˚C : 3.9k
Ω
20˚C : 2.6k
Ω
30˚C : 1.8k
Ω
40˚C : 1.3k
Ω
Connector contact failure
If no fault is found, indoor board
is faulty.
2601 Water-supply
cut
(1) Water is not supplied into the
humidification feed tank.
Check the amount of supply water.
Check the solenoid valve or
connection.
(2) The solenoid valve for
humidification is OFF.
Check the connector.
(3) Float switch disconnection.
Check the connecting part.
(4) Float switch malfunction.
Check the defective float switch.
(5) Freeze on the feed tank.
Defrost by turning the power off
and turn the power on again.
2600 Water
leakage
–
–
Water leaks from the pipes in
such as the humidifier.
Check the place from where the
water leaks.
Содержание PURY-P200
Страница 49: ... 46 Heat exchanger Fan guard Heat exchanger Fan guard P400 type Front view of the unit Rear view of the unit ...
Страница 57: ... 54 CNVDC DC bus voltage input 1 3 LED1 LED2 SW2 CNTR IPM back CNN Fan motor output Fuse CNRS2 3 FAN board ...
Страница 64: ... 61 Relay board RELAY 4 board Relay board RELAY 10 board ...