York ERJC 36 Installation Instructions Manual page 21

Troubleshooting
Drive board
ambient Drive board
temperature
sensor error (for temperature
the commercial sensor error
unit)
DC link
high voltage low voltage
protection protection
DC link
low voltage high voltage
protection protection
Abnormal AC
/
input voltage
Capacitor Capacitor
charging error charging error
Jumper terminal Jumper terminal
error protection error protection
Defrosting or Defrosting or
oil returning oil returning
in heating in heating
/
defrosting
Compressor Compressor
thermal overload
protection. protection.
Modulecurrent
IPM Module
protection
(namely
protection
IPM protection)
Compressor Compressor
desynchronizing desynchronizing
PFC Protection PFC Protection
Too high power Too high power
protection protection
(available for (available for
the residential the residential
outdoor unit) outdoor unit)
Compressor Compressor
startup failure startup failure
Compressor Compressor
phase failure/ phase failure/
reverse
protection protection
Compressor Compressor
rotation
failure(for the failure(for the
commercial unit) commercial unit)
Over speed (for
the commercial Over speed
unit)
ambient
PF
DC link
PL
DC link
PH
PP
PU
C5
H1
Forcible
H1
overload H3
current H5
H7
HC
L9
Lc
Ld
reverse
rotation
LE
LF
Flash 3 Flash 3 Flash 3
times times times
Flash 3 Flash 3 Flash 3
times times times
Flash 3 Flash 3 Flash 3
times times times
Flash 3 Flash 3 Flash 3
times times times
Flash 3 Flash 3 Flash 3
times times times
Flash 3 Flash 3 Flash 3
times times times
Flash
/ /
once
Quick
/
flash
Flash 3 Flash 3 Flash 3
times times times
Flash 3 Flash 3 Flash 3
times times times
Flash 3 Flash 3 Flash 3
times times times
Flash 3 Flash 3 Flash 3
times times times
Flash 20
/
times
Flash 3 Flash 3 Flash 3
times times times
Flash 3 Flash 3 Flash 3
times times times
Flash 3 Flash 3 Flash 3
times times times
Flash 3 Flash 3 Flash 3
times times times
18
by johnson controls
oE oE
oE oE
oE oE
oE oE
oE oE
oE oE
Defrosting
H1 symbol
displayed
/ H1 H1
oE oE
oE oE
oE oE
oE oE
/ oE oE
oE oE
oE oE
oE oE
oE oE
21