York ERJC 36 Installation Instructions Manual page 19

Troubleshooting
Refrigerant Refrigerant
insufficiency insufficiency
or blockage or blockage
protection protection
(available for (available for
the residential the residential
outdoor unit) outdoor unit)
Short/open Short/open
circuit of the circuit of the
indoor ambient indoor ambient
temperature temperature
sensor
Short/open Short/open
circuit of circuit of
the indoor the indoor
evaporator evaporator
Short/open Short/open
circuit of the circuit of the
of the outdoor of the outdoor
ambient
temperature temperature
sensor
Short/open Short/open
circuit of the circuit of the
temperature temperature
sensor at the sensor at the
midway of midway of
the condenser the condenser
coil ( for the coil ( for the
commercial unit) commercial unit)
Short/open Short/open
circuit of circuit of
the outdoor the outdoor
discharge discharge
temperature temperature
sensor
Oil returning Oil returning
in cooling in cooling
System high System high
pressure
protection protection
Anti-freezing Anti-freezing
protection protection
System low
System low
pressure
protection
protection
(reserved)
Compressor Compressor
discharge high discharge high
temperature temperature
protection protection
Whole unit Whole unit
over-current over-current
protection protection
Communication Communication
error between error between
the indoor and the indoor and
outdoor units outdoor units
F0
Shown
as Table
16
sensor
Shown
as Table
16
F3
ambient
sensor
F4
F5
sensor
F7
pressure E1
E2
pressure E3
E4
E5
Shown
as Table
16
Flash 10
/
times
Flash
/
once
Flash
/
twice
Flash 3
/
times
Flash 4
/
times
Flash 5
/
times
/ /
Flash
/
once
Flash
/
twice
Flash 3
/
times
Flash 4
/
times
Flash 3 Flash 3 Flash 3
times times times
Flash 6
/
times
16
by johnson controls
/ oE oE
/ F1 F1
/ F2 F2
/ F3 F3
/ F4 F4
/ F5 F5
/ / /
/ E1 E1
/ E2 E2
/ E3 E3
/ E4 E4
oE oE
/ E6 E6
19