Fault Codes - Samsung joule HHSM-G600005-1 Installation Manual

Fault Codes

Error Contents
Code
101
Indoor unit communication
error
102
Indoor unit/outdoor unit
communication time-out
error: errors in more than
6 packets
121
Indoor temperature sensor
(open/short error)
122
Indoor unit Eva in sensor
(Open/Short)
128 Indoor unit Eva in sensor
disconnection
153
Indoor floating switch
secondary detection
202 Indoor/outdoor communi-
cation error (1 min)
203 Communication error
between indoor/outdoor
INVIMAIN <-> MICOM
(1 min)
221
Outdoor temperature
sensor error
237
COND temperature sensor
error
251
[Inverter] Emission tem-
perature sensor error
Measure
Check the communication cable of indoor unit.
Check the DC output voltage at the communica-
tion terminal.
Check the outdoor communication cable
connection. Check DC output voltag and the
communication terminal.
Check indoor unit room temperaute sensor. Check
indoor unit PCB connector CN41 (White)
Check indoor unit pipe sensor. Check indoor PCB
connector CN41 (White)
Check the disconnection of indoor unit pipe
sensor.
Check indoor unit float sensor. Check indoor PCB
connector CN5 (black)
Check the communication connection between
indoor and outdoor units. Check the power line
and communication cable connection status.
Check MAIN MICOM
Check INVERTER MICOM
Check sensor connection status
Check sensor location
Check sensor resistance
Check sensor connection status
Check sensor location
Check sensor resistance
Check sensor connection status
Check sensor location
Check sensor resistance
Product op. in Error Type
error condition
Outdoor unit /
Comp. / Ind. unit
Operation off Communication
error
Operation off Communication
error
Operation off Indoor sensor error
Operation off Indoor sensor error
Operation off Indoor sensor error
Operation off Self diagnostic error
Operation off Communication
error
Operation off Communication
error
Operation off Outdoor sensor
error
Operation off Outdoor sensor
error
Operation off Outdoor sensor
error
101