Husqvarna FC 450 2019 Owner's Manual page 137

Blink code for malfunc-
tion indicator lamp
33 Malfunction indicator lamp flashes 3x long, 3x short
Injection valve cylinder 1 – circuit fault
Error level condition
Blink code for malfunc-
tion indicator lamp
37 Malfunction indicator lamp flashes 3x long, 7x short
Ignition coil – circuit fault
Error level condition
Blink code for malfunc-
tion indicator lamp
41 Malfunction indicator lamp flashes 4x long, 1x short
Error level condition Fuel pump controller - short circuit to ground/open circuit
Open/short circuit to plus
Blink code for malfunc-
tion indicator lamp
65 Malfunction indicator lamp flashes 6x long, 5x short
Error level condition E²PROM error
Blink code for malfunc-
tion indicator lamp
Malfunction indicator lamp flashes continuously
THREF – malfunction
Error level condition
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BLINK CODE 21
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