Error Codes And Description Indoor Display - Vaillant V 10-025 NHI Training Manual

7.3

Error Codes and Description indoor display

Indoor
Indoor and Outdoor
Indoor
Malfunction
Outdoor
Malfunction
Table 7.2 Problem Symptoms and Measures
Split Type Installation Manual
Code indication
Outdoor
(LED1 flash times)
E7 15
E1
E2
E4
E14
E9
F12 1
F11 2
F22 3
F11 4
5
F11 6
F4 8
9
F21 10
F6 12
F25 13
18
F11 19
--- 24
--- 25
Service Diagnosis 7
Description
Communication fault between indoor and outdoor units
Room temperature sensor failure
Heat-exchange sensor failure
Indoor EEPROM error
Indoor fan motor malfunction
High work-intense protection
Outdoor EEPROM error
The protection of IPM
Overcurrent protection of AC electricity for the outdoor model
Communication fault between the IPM and outdoor PCB
Over pressure or Overheat protection for the compressor
Power voltage is too high or low
Overheat protection for exhaust temperature
outdoor fan motor malfunction
Frost-removing temperature sensor failure
Ambient temperature sensor failure
Exhaust temperature sensor failure
deviate from the normal for the compressor
Loop of the station detect error
Overcurrent of the compressor
Overcurrent protection for single-phase of the compressor
EN 17