Toyotomi MUL12- FWCA, Руководство по обслуживанию

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57
MAINTENANCE
Mid. Cooling/heating
(capability test code)
Cooling level AA
performance test
P3
/
Quick
ÀDVK
/ P3
P3
Level AA cooling
performance test
/ /
Quick
ÀDVK
P3
Phase over-current
protection
Compressor over-
current protection
P5
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Drive board
communication error(for
the commercial unit)
Communication error
between the inverter driver
to the main controller
P6
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Short/open circuit
of the of the module
temperature sensor
Short/open circuit
of the of the module
temperature sensor
P7
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Module temperature
protection
Module temperature
protection
P8
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
AC contact protection
(for the commercial unit)
AC contact protection P9
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Circuit sensor error Circuit sensor error Pc
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Transducer connection
protection (for the
commercial unit)
Transducer connection
protection
Pd
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
AC current
protection(input side)
AC current
protection(input side)
PA
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Temperature drift
protection (for the
commercial unit)
Temperature drift protection PE
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Drive board ambient
temperature sensor error
(for the commercial unit)
Drive board ambient
temperature sensor error
PF
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
DC link high voltage
protection
DC link low voltage
protection
PL
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
DC link low voltage
protection
DC link high voltage
protection
PH
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
/ Abnormal AC input voltage PP
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Capacitor charging error Capacitor charging error PU
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Jumper terminal
error protection
Jumper terminal
error protection
C5
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Defrosting or oil
returning in heating
Defrosting or oil
returning in heating
H1 / /
Flash
once
H1
Defrosting
symbol
displayed
/ Forcible defrosting H1
Quick
ÀDVK
/ / H1 H1
Compressor thermal
overload protection.
Compressor overload
protection.
H3
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Modulecurrent protection
(namely
IPM protection)
IPM Module current
protection
H5
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Compressor
desynchronizing
Compressor desynchronizing H7
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
PFC Protection PFC Protection HC
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Too high power protection
(available for the
residential outdoor unit)
Too high power protection
(available for the
residential outdoor unit)
L9
Flash 20
times
/ / oE oE
Compressor startup failure Compressor startup failure Lc
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Compressor phase failure/
reverse protection
Compressor phase failure/
reverse protection
Ld
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Compressor rotation
failure(for the
commercial unit)
Compressor rotation
failure(for the
commercial unit)
LE
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Over speed (for the
commercial unit)
Over speed LF
Flash 3
times
Flash 3
times
Flash 3
times
oE oE
Short/open circuit of the
temperature sensor at the
inlet of the condenser coil
( for the commercial unit)
/ A5 / / / / /
Short/open circuit of
the temperature sensor
at the outlet of the
condenser coil ( for
the commercial unit)
/ A7 / / / / /
Memory card error / EE / / / / /