Glow-worm Envirosorb 10, Instructions For Use Manual, Page: 21 / 24

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21
10 Fault Code Description
Code Description
t1 Failure of the high-pressure refrigerant circuit sensor (Chp)
t3 Failure of the (NTC 2) thermistor (external heat exchanger sensor)
t4 Failure of the (NTC 1) outside ambient sensor
t6 Failure of the (NTC 4) water flow thermistor
t7 Failure of the (NTC 5) water return thermistor
t8 Failure of the (NTC 3) plate heat exchanger anti-freeze protection thermistor
t9 Failure of the user interface thermistor (on back of control pad)
c0 Poor communication between the interface and the main circuit board
c2 Main circuit board fault
c5 Floor temperature sensor fault where fitted (accessory)
c7 Ambient humidity sensor fault where fitted (accessory)
h0 Excessive compressor discharge pressure (HP pressure switch operated 3 times)
h1 Excessive heat on discharging the compressor
h4 Temperature too low in the plate exchanger: risk of freezing in the plate exchanger
h5 Failure, lack of, or poor polarisation of the humidity sensor (floor cooling only) accessory
h6 Failure, lack of or poor polarisation of the hygrometer sensor (floor cooling only) accessory
h7 Failure, lack of or poor polarisation of the hot water tank thermistor (where fitted - accessory)