Sensorstate; Status; Dtc_Ehp - ISE smart connect Modbus Vaillant Product Manual

4.6.3

sensorState

Value Description
0 No fault
85 Short-circuit
170 Interrupt
4.6.4

status

Value Description
0 Off
1 On
4.6.5

DTC_EHP

The "error number geoTHERM/3" is the error number displayed on the geoTHERM/3 controller.
Value Error number
geoTHERM/3
514 30
515 31
516 32
517 40
518 41
519 42
520 43
521 44
522 45
523 46
524 47
525 48
526 49
527 50
528 51
529 60
530 61
531 62
532 63
533 70
534 71
535 72
536 80
537 81
538 82
539 83
540 90
541 91
542 92
543 93
544 94
545 95
546 96
547 20
Order No. S-0002-007
Description
Error comp inlet sensor
Error evaporator sensor
Error heat source outlet sensor
Error comp outlet sensor
Error heat source inlet sensor
Error HP return sensor
Error HP flow sensor
Error AF sensor
Error SP sensor
Error VF1 sensor
Error RF1 sensor
Error VF2 sensor
Sensor fault: TCoilLiquidOpen
Error heat source outlet sensor
Error condenser sensor
Error Heat source anti freezing protection : Delta T6-T7
Error Heat source anti freezing protection : T5<4°C
Error Heat source anti freezing protection : T6<-10°C
Error No water flow
Error Abnormal cooling of the C-H circuit
Building circuit: Floor protect. active
Error C-H flow temperature too high for floor heating
Error Compressor outlet overheat
Error Refrigerant pressure too high.
Error Refrigerant pressure too high. Check C-H pump
Error Refrigerant pressure too low
Error C-H pressure too low P14bar
Error Pressure brine too low
Error C-H return temperature too high
Error Fan overheat thermostat open
Error or two phase are missing
Error Wrong phase order
Error Refrigerant pressure sensors fault
Op Interlock: Heat source anti freezing protection : Delta T6-T7
ise smart connect Modbus Vaillant
Modbus TCP/IP
Product Manual Page 22 (45)