Gema OptiSpray AP02 - Page 45

Rev. 00 12/23
OptiSpray AP02 Fault clearance • 45
H89
Start the pinch valve diagnostic
Diagnosis OK?
No
yes
H87 (H187)
Replace IN pinch valve
H88 (H188)
Replace OUT pinch valve
Protective disc
contaminated
yes
No
Replace the protective disc
Start the pinch valve diagnostic
Diagnosis OK?
No
yes
Replace V1+V2 PV solenoid valves
Start the pinch valve diagnostic
Diagnosis OK?
No
Start the pinch valve diagnostic
Diagnosis OK?
No
yes
yes
Use a replacement pump
Start the pinch valve diagnostic
Diagnosis OK?
No
yes
Send in the defective
pump for repair
Failure in the control unit or
outside of the pump
Start the pinch valve
diagnostic
Diagnosis OK?
No
yes