Sinclair SWH-200IRA2, User Manual, Page: 48 / 52

Air Source Heat Pump Water Heater
43
Malfunction phenomena Troubleshooting
of pipeline and give out abnormal noise,
please
contact with our authorized
maintenance center for inspection.
The controller tells that the unit
is under antifreeze protection The unit will automatically activate the
antifreeze function in winter, which is normal.
The nozzle provides water flow
for quite a short period.
It is because the nozzle is oversized. Please
replace it. The nozzle with the flow rate of 6
～
7L/min is preferred.
Wired controller displays L6
and
water temperature
alternately
Ambient temperature is too bad, which
exceeds operation range of main unit.
Table 18-2
Please contact the SINCLAIR appointed service center in case of any of
following conditions.
Malfunction phenomenon Malfunction analysis
The water heater stops operation and
the wired controller displays E1
High pressure protection
The water heater stops operation and
the wired controller displays E3
Refrigerant-lacking protection
The water heater stops operation and
the wired controller displaysC5
Malfunction of jumper cap
The water heater stops operation and
the wired controller displays E4
Discharge protection
The water heater stops operation and
the wired controller displays E5
Overload protection of compressor
The water heater stops operation and
the wired controller displays E6
Communication malfunction
The water heater stops operation and
the wired controller displays F3 Malfunction of outdoor ambient
temperature sensor
The water heater stops operation and
the wired controller displays F4 Malfunction of discharge temperature
sensor
The water heater stops operation and
the wired controller displays F6 Malfunction of tube temperature sensor
for outdoor heat exchanger
The water heater stops operation and
the wired controller displays Fd Malfunction of suction temperature
sensor
The water heater stops operation and
the wired controller displays FE Malfunction of upper temperature
sensor of water tank
The water heater stops operation and
the wired controller displays FL Malfunction of lower temperature
sensor of water tank
The water heater stops operation and
Unit’s capacity is insufficient