TAEC Solar Box
Owner’s Manual
v2.2
12
PROBLEM
POSSIBLE CAUSES
REMARK
Abnormally high
constant
consumption of
electricity
Loss or blockage in the
cooling circuit
Use the appropriate equipment to check
for leaks in the circuit.
Check auxiliary heater relay (RAUX)
Water cylinder empty
Disinfect function
constantly on
Set thermostat on hot water cylinder
element to 70°C (greater than disinfect
temperature)
Adverse weather
conditions
Contact customer service
LP Alarm
(default reset 10
min)
Protection system
activated (low pressure)
Insufficient load of refrigerant fluid
Refrigerant fluid leakage
Low outdoor temperature
Low water inlet temperature
Damaged low-pressure switch
Disconnected or damaged wiring
Damaged electronic control unit (display)
HP Alarm
(default reset 10
min)
Protection system
activated (high pressure)
Presence of air in the refrigerant circuit
Lack of water in the circuit
Damaged circulator pump
Dirty condenser/filter (if exists)
Excess refrigerant
Damaged high-pressure switch
Disconnected or damaged wiring
Damaged electronic controller unit
Refrigerant piping squashed or blocked
‘
LO
’ shown on
display
Temperature too low or
too high
Faulty sensor (S1) or wiring
Probe disconnected or damaged
