GF JRG Coral force 11000, Руководство по эксплуатации

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Possible Causes
•
Dry running
• Heating circuit fault
o
Phase (of supply power) failed
o
Heater fault
o
Heater protection fault (off continuously)
o
LOGO! output Q5 faulty (off continuously)
o
Pump fault
o
Wiring fault to pump or heater
•
STL heater over-temperature protection activated
o
Dry running
o
Pump fault
o
PT100 fault
o
LOGO! output Q5 stuck (on continuously)
o
Heater protection stuck (on continuously)
• Temperature circuit
o
PT100 fault
o
LOGO! AM2 module fault
• KH2 fault
o
KH2 in TD pos. not watertight (water leaking via RS line)
o
KH2 installation error (drive position does not match KH position)
o
A ball valve is in the wrong position