Panasonic U-8MF1E8 Installation Instructions Manual page 27

3WAY_ECO-i_inst_eng_Book.indb 47
Possible cause of malfunction
Indoor thermistor Indoor coil temp. sensor (E1)
is either open or
Indoor coil temp. sensor (E2)
damaged.
Indoor coil temp. sensor (E3)
Indoor suction air (room) temp.
sensor (TA)
Indoor discharge air temp.
sensor (BL)
Outdoor Comp. No. 1 discharge gas
thermistor is temp. sensor (DISCH1)
either open or
Comp. No. 2 discharge gas
damaged.
temp. sensor (DISCH2)
Outdoor No. 1 coil gas temp.
sensor (EXG1)
Outdoor No. 1 coil liquid temp.
sensor (EXL1)
Outdoor air temp. sensor (AIR
TEMP)
Compressor intake port
temperature sensor (RDT)
High pressure sensor. Negative
(defective) N phase.
Low-pressure sensor failure
Compressor 3 discharge temp.
sensor failure (DISCH3)
Outdoor No. 2 coil gas temp.
sensor (EXG2)
Outdoor No. 2 coil liquid temp.
sensor (EXL2)
Outdoor heat exchanger 3
gas (inlet) temp. sensor failure
(EXG3)
Outdoor heat exchanger 3
liquid (outlet) temp. sensor
failure (EXL3)
EEPROM on indoor unit PCB failure
Protective device EEPROM on the main or sub
for compressor outdoor unit PCB has failed.
No. 1 is activated.
Overload current is detected.
Lock current is detected.
Current is not detected when
comp. No. 1 is ON.
Discharge gas temperature of
the comp. No. 1 is not detected.
Temp. sensor is not seated at
the sensor holder.
Protective device Compressor No. 2 current
for compressor trouble (overcurrent)
No. 2 is activated.
Compressor No. 2 current
trouble (locked)
Compressor No. 2 CT sensor
disconnected or short circuit
Compressor No. 2 discharge
temp. sensor disconnected
Protective device Compressor No. 3 current
for compressor trouble (overcurrent)
No. 3 is activated.
Compressor No. 3 current
trouble (locked)
Compressor No. 3 CT sensor
disconnected or short circuit
Compressor No. 3 discharge
temp. sensor disconnected
Low pressure switch is activated.
Low oil level.
Oil sensor fault. Comp. No. 1 oil sensor
(Disconnection,
Comp. No. 2 oil sensor
etc.)
Oil sensor (connection) failure
Alarm
message Alarm messages displayed on system controller
<<F01>>
Error in Indoor or main outdoor
<<F02>>
transmitting unit is not operating
<<F03>> serial correctly.
communication Mis-wiring of control
<<F10>>
signal wiring between indoor
unit, main outdoor unit
<<F11>> and system controller.
Serial
communication
Error in Indoor or main outdoor
errors
F04 receiving serial unit is not operating
Mis-setting
communication correctly.
signal Mis-wiring of control
F05
wiring between indoor
unit, main outdoor unit
F06
and system controller.
CN1 is not connected
F07 properly.
Protective When using wireless
F08
device of sub remote controller or
indoor unit in system controller, in
Activation of
F12 group control order to check the alarm
protective
is activated. message in detail,
device
connect wired remote
F16
controller to indoor unit
temporarily.
F17
NOT E
F22
1. Alarm messages in << >> do not affect other indoor unit
F23
operations.
2. Alarm messages in < > sometimes affect other indoor unit
F24
operations depending on the fault.
F25
8. MARKINGS FOR DIRECTIVE 97/23/EC
(PED)
F26
Rating nameplate figure
F29
F31
H01 A:
AIR CONDITIONER Model No.
H02
POWER SOURCE:
B: 380-415V 3N ~ 50/60 Hz Various
H03 MAX ELECTRIC INPUT kW. A Various
C:
TIME DELAY FUSE MAX SIZE: A Various
D:
UNIT PROTECTION: IPX4
H05
Operating Spec. Area
Various (Not for the PED)
H11
H12
H13
MAX. WORKING PRESSURE: HIGH SIDE: E:
LOW SIDE:
F:
H15
REFRIGERANT: R410A
G: kg. Various
NET WEIGHT
Various (Not for the PED)
H21
SERIAL NO. :
Various
H22
PROD. DATE :
MM-YYYY
Authorized representative in EU
Panasonic Marketing Europe GmbH
H23
Panasonic Testing Centre Winsberging 15, 22525 Hamburg, Germany
Panasonic Corporation 1006 Kadoma,
H25
Kadoma City,
Osaka, Japan
H06
H07
Tabulation of Various data
H08
A U-8MF1E8 U-10MF1E8 U-12MF1E8 U-14MF1E8
H27
B 380 – 415 V 3 N ~ 50 Hz
H28
9.53 kW, 12.7 kW, 15.4 kW, 18.1 kW,
C
16.1 A 21.4 A 25.9 A 31.2 A
D 30 A 35 A 40 A 40 A
E 3.6 MPa
F 2.21 MPa
G 11.8 kg
49
SUPPLEMENT
2011/02/16 14:55:57 3WAY_ECO-i_inst_eng_Book.indb 48
Alarm
message
C05
C06
P30
0035
Model Name Various
MPa Various
MPa Various
Made in China
Fabricado en China
U-16MF1E8
20.7 kW,
35.9 A
50 A
11.8 kg
2011/02/16 14:55:57