Meaning of alarm messages, Test run – Sanyo CHX06052 User Manual

Page 18

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1-14

Test Run

Thermistor
fault

Protective
device for
compressor is
activated

Indoor thermistor is either open
or damaged.

Outdoor thermistor is either
open or damaged.

Protective device for compressor
No. 1 is activated.

Indoor coil temp. sensor (E1)

Indoor coil temp. sensor (E2)

Indoor coil temp. sensor (E3)

Indoor suction air (room) temp. sensor (TA)

Indoor discharge air temp. sensor (BL)

Outdoor No. 1 coil liquid temp. sensor (C1)

Outdoor air temp. sensor (TO)

Current is not detected when comp. is ON.

EEPROM on indoor unit PCB failure

Alarm

message

<<F01>>

<<F02>>

<<F03>>

<<F10>>

<<F11>>

F07

Compressor discharge gas temp. sensor (TD)

F04

F08

F12

F16

F29

F31

H03

High pressure sensor

EEPROM on the outdoor unit PCB is a failure.

P02

P03

P14

P22

P26

H31

P16

P29

Compressor thermal protector is activated.
Power supply voltage is unusual. (The voltage is more than 260 V
or less than 160 V between L1 and L2 phase.)

Incorrect discharge temperature.

P04

High pressure switch is activated.

P05

Detective phase (3-phase outdoor unit only)

O

2

sensor (detects low oxygen level) activated.

Outdoor unit fan motor is unusual.

Compressor suction port temperature sensor (TS)

Possible cause of malfunction

Improper setting.

<L03>

L04

L05

L06

L07

L08

<<L09>>

L17

Duplication of main indoor unit address setting in group control.

Duplication of outdoor R.C. address setting.

Group control wiring is connected to individual control indoor unit.

Indoor unit address is not set.

Capacity code of indoor unit is not set.

There are 2 or more indoor units
controllers which have operation
mode priority in 1 refrigerant circuit.

Priority set remote controller

Non-priority set remote controller

Protective device in indoor unit
is activated.

Protective device in outdoor unit
is activated.

<<P01>>

<<P09>>

<<P10>>

Thermal protector in indoor unit fan motor is activated.

Improper wiring connections of ceiling panel.

Float switch is activated.

P12

Operation of protective function of fan inverter.

Activation of
protective
device

L18

Capacity code of outdoor unit is not set.

Mis-matched connection of outdoor units which have different kinds
of refrigerant.

This alarm message shows when the indoor unit for multiple-use
is not connected to the outdoor unit.

L02

L10

4-way valve operation failure

Overcurrent at time of compressor runs more than 80 Hz (DCCT
secondary current or ACCT primary current is detected at a time
other than when IPM has tripped.)

IPM trip (IPM current or temperature)

Inverter for compressor is unusual. (DC compressor does not
operate.)

Compressor running failure resulting from missing phase in the
compressor wiring, etc. (Start failure not caused by IPM or no gas.)

Serial
communication
errors
Mis-setting

6. Meaning of Alarm Messages

MiniECO-i.indb 14

2007/06/20 16:28:01

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