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TROUBLE SHOOTING
Service Manual LDR 8s AC
PKII
form 9120934 rev. 02/2022
Symptom
Possible cause
Caused by
Bad cleaning result.
Check parameter settings!
Water issue
Water tap closed
Descale filter saturated
No descaling filter applied while the water
hardness is high
Detergent issue
Cleaning cartridge not placed on the right place
Wrong (amount) detergent
Drain issue
Sewer drain malfunction (Q5)
Drain hose not installed properly
Grease drain malfunction (Q4) (cleaning proces
started while unit is still loaded with oil)
Rinse issue
Suction filter blocked
Malfunction of rinse valves (Q2, Q3)
Malfunction of pump
Malfunction of valve at suction side (Q1)
Black/ brown spots on the
bottom / filter screens
Detergent not dissolved fast
enough
Instructions not followed. Detergent and
cartridge placed before the unit has cooled
down. See storyboard.