
Check Remedy
DIOM
N° Message Meaning Possible cause
Short circuit/broken cable in the wiring
for the valve
Check wiring to valve
Valve plug defective Replace valve plug.
Coil for solenoid valve defective Replace the solenoid valve
Internal error DIOM Replace DIOM
Short circuit/broken cable in the wiring
for the valve
Check wiring to valve
Valve plug defective Replace valve plug
Coil for solenoid valve defective
Replace the solenoid valve
16020
Error: Status16021 DIOM PWM4
status
DIOM PWM3
status
Error: Status
Coil for solenoid valve defective
Replace the solenoid valve
Internal error DIOM Replace DIOM
Run electronics diagnostics
Short circuit/broken cable in the wiring
for the valve
Check wiring to valve
Valve plug defective Replace valve plug
Coil for solenoid valve defective Replace the solenoid valve
Internal error DIOM Replace DIOM
Error: StatusDIOM DIG1 status16022
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