Sinclair SWH-15/190TL Service Manual page 27

2.3.9 Error Shooting
If some errors happen, the buzzer will buzz 3 times every other minute and the error indicator will glitter fast.
Press CANCEL for several seconds to stop the buzzer but the light will keep glittering.
When error happens, though the system could be used in some circumstances, it could not reach the
expected efficiency. Please contact your supplier for help. Error Code Explanation (See table below table)
Display Malfunction Description
E0 Error of sensor T5U
E1 Error of sensor T5L
Tank and Wired Controller communication
E2
error
(T3) Condenser output pipe temperature
E4
sensor error
(T4) Outdoor ambient temperature sensor
E5
error
E6 (Tp) Comp. discharge Sensor error
Heat Pump system error
If any of P3/P4/P2/P1 continuously appear 3
times within single heating cycle, system will
E7
consider it as "Heat Pump system error"
Electric leakage error
If PCB current induction circuit check the
E8
current difference between L,N >14mA,
system consider it as" electric leakage error"
3 Running and Operating
2.3.1 Trial Running
1) Before running, please check the following items first:
2) Correct installation of the system;
3) Correct connection of pipeline and wiring;
The light will flash with Alarm
ALARM
Sanitary Water Heater Technical Manual
Press CANCEL key to stop the buzzer.
Display Malfunction Description
System high pressure protection
2.76MPa active
P1
2.07Mpa inactive
High discharge temp. protection
Tp>115 Protection active
P2
Tp<90 Protection inactive
Compressor abnormally stopped protection
The discharge temperature is not so higher than
P3
evaporator temperature after compressor running
a term.
Compressor overloaded protection (10 sec after
compressor startup, Current checking starts ,
1)only compressor running, if it is >7A , the
P4 compressor will be stopped and protected.)
2)Compressor+ e-heater opened, if it
is >IEH+7,the compressor will be stopped and
protected.)
When the ambient temp is out of Heat Pump
running zone [-7 43 ],Heat Pump will stop ,then
LA protection code will appear, and ALARM
LA
indicator flashes if the condition maintain more
than 20hr, Need to switch to Enhanced heating
Mode.
Compressor suction temperature sensor TH
E9
error