Thermal Care Vactherm RV, Руководство по эксплуатации, установке и обслуживанию

Страница: 16 / 28

12
General Troubleshooting
Problem Possible Cause Remedy
The unit does not start after connection, tank
filling, and pressing the On button
Main fuses blown Replace blown fuses
Motor defective Contact factory
Reset tripped Reset
Control circuit breaker tripped Reset
Motor buzzes after pressing the On button
and overload trips
Voltage on two of the phases only
Check incoming power supply, check and
replace blown fuse
Motor defective Contact factory
No water circulation, even though the pump
is rotating
Pump is rotating in the wrong direction Change two of the incoming power leads
Process water lines clogged Clean lines
The unit does not heat
Contactor defective Replace contactor
Thermostat defective Replace thermostat
Heating element defective Replace heating element
Safety fuse defective Replace safety fuse
The unit does not cool
Solenoid valve at “Cooling Water In” defective Replace solenoid valve
Cooling heat exchanger clogged Clean coil
Thermostat defective Replace thermostat
The unit cooling all the time
Dirt in the cooling solenoid valve
Take apart the valve, clean out, replace if
required
Thermostat defective Replace thermostat
Water comes out the overflow pipe
Tank overfilled Drain some water
Dirt in the fill solenoid valve
Take apart the valve, clean out, replace if
required
Level sensing probe dirty or defective Clean probe, replace if required
The unit does not fill the tank, level lamp is
not on
Level sensing probe dirty or defective Clean probe, replace if required
Defective microprocessor Contact factory
The unit does not fill the tank, level lamp is on
Water supply not connected Connect supply
Defective fill solenoid valve Replace if required