System Operation Messages / Faults
Fault code number Aids
H / Ü 143 Potentiometer defect, feedback varies too rapidly: channel 3 E13
H / Ü 144 Potentiometer defect, feedback varies too rapidly: channel 4 E13
H / Ü 145 Potentiometer defect, feedback varies too rapidly: channel 5 E13
H / Ü 151** The deactivated re-circulation valve does not reach
"CLOSED” position rapidly enough: channel 1 E2,B1,B3
H / Ü 152** The deactivated re-circulation valve does not reach
"CLOSED” position rapidly enough: channel 2 E2,B1,B3
H / Ü 153** The deactivated re-circulation valve does not reach
"CLOSED” position rapidly enough: channel 3 E2,B1,B3
H / Ü 154** The deactivated re-circulation valve does not reach
"CLOSED” position rapidly enough: channel 4 E2,B1,B3
H / Ü 155** The deactivated re-circulation valve does not reach
"CLOSED” position rapidly enough: channel 5 E2,B1,B3
H / Ü 161** Running direction monitoring, channel 1 EE2,E17
H / Ü 162** Running direction monitoring, channel 2 EE2,E17
H / Ü 163** Running direction monitoring, channel 3 EE2,E17
H / Ü 164** Running direction monitoring, channel 4 EE2,E17
H / Ü 165** Running direction monitoring, channel 5 EE2,E17
H 171** Dead band exceeded for too long: channel 1 B1,B4,E2
E4,E5
H 172** Dead band exceeded for too long: channel 2 B1,B4,E2
E4,E5
H 173** Dead band exceeded for too long: channel 3 B1,B4,E2
E4,E5
H 174** Dead band exceeded for too long: channel 4 B1,B4,E2
E4,E5
H 175** Dead band exceeded for too long: channel 5 B1,B4,E2
E4,E5
H 181** Dead band not attained for too long: channel 1 B1,B4,E2
E4,E5
H 182** Dead band not attained for too long: channel 2 B1,B4,E2
E4,E5
H 183** Dead band not attained for too long: channel 3 B1,B4,E2
E4,E5
H 184** Dead band not attained for too long: channel 4 B1,B4,E2
E4,E5
H 185** Dead band not attained for too long: channel 5 B1,B4,E2
E4,E5
84
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