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KL6600
www.ethink-spa.com
9
Ⅵ
. System malfunction warning
Fault
indication
Failure cause
Solutions
“
”
Temperature sensor open
circuit or short circuit
“
”
Water flow sensor open circuit
/short circuit
“
”
It is detected that water flow
sensor is over limit
1. Check whether the plug loose or not and
whether cable is damaged or not.
2. If plug and cable are intact, please replace the
mainboard.
3. If changing the mainboard is still invalid,
please replace heaters.
“
”
It is detected that inside the
heater, the temperature
reaches 118
℉
/ 48
℃
or
much higher.
“
”
It is detected that inside the
heater, the temperature
reaches 110
℉
/43.5
℃
or
much higher.
1. Check whether environmental temperature is
over high.
2. Check whether filter is blocking or just
replaced.
3. Check whether the metering valves and
circulating pump are normal or not.
“
”
The water flow inside the
heater is possibly too low.
“
”
It is sure that the water flow
inside the heater is not
enough.
1. Check whether filter is blocking or is just
replaced.
2. Check whether the metering valves and
circulating pump are normal or not.
3. If the above is normal, please turn off the
power supply for 15 seconds, then turn on the
power and reset the system.
“
”
It lacks of water or water level
is not reaching.
“
”
There is no water or not
enough water for water level.
1. Please check whether the water level is
reaching the normal level or not.
2. Please check whether all the cables about the
water probe is normal or not.
“
”
Working current of light is
over limit.
Whether the interface of LED light (12VAC) or
Ozone is short-circuit or not.
“
”
The current of circulating
pump is oversize.
Check whether the circulation pump is jammed
to cause the flow stream.
Other operation information
1. “
”: It detected that it is going to freeze and it is starting to anti-freeze.
2. “
”: Complement water system is working and other functions can be normal operation.
3. “
”: Complement water system is pause working and other functions can be normal
operation.