Diagnosing Malfunctions; Tracing Faults - Zetor HORTUS HS Series Operator's Manual

Diagnosing Malfunctions

1. Tracing Faults

PROBLEM
1. Abnormal sound
Compressor
Abnormal revolutions
Refrigerant or oil
leakage
Abnormal pressure
2. Engine Low pressure or not
working
Fan cannot be
operated
PROBLEM CONDITION
3. Noise
Clutch
Disengaged Engaged sometimes
Slipping
CABIN SYSTEM
CONDITION
Inlet sound
Outlet sound
Drive interruption
Refrigerant or oil
leakage
Too low / high
pressure
Normal engine
operation
Abnormal motor
operation
Air leak
Engine
Abnormal motor
operation
Regular / irregular
noise
Engaged by pushing by
hand
Without a faulty
conductor
Slipping during rotation
CAUSE
Insufficient
lubrication
Insufficient belt
tension
Released holder
Clutch failure
Damaged parts
Clutch slipping
Lack of lubricant
Belt tension
released
Damaged sealing
Head screw is
loosened
D-ring damaged
Insufficient cooling
Compressor
Air inlet is blocked
Evaporator freezing Minimum pressure
Fan switch
damaged
Compressor
Engine failure
Broken wire
Tube leak
Switch failure
Engine failure
CAUSE
Interference with pulley
Wire defect
Large clutch gap
Low voltage
Defect
Low voltage
Greasy bar on clutch
Defect
CORRECTIVE
MEASSURE
Replenish
Adjust
Tighten connections
Check
Check, replace
Check, replace
Replenish
Adjust
Replace
Tighten the screws
Replace
Adjust
Replace
Remove
control
Replace the switch
Replace
Replace
Replace
Check, tighten
Check, tighten
Replace
CORRECTIVE MEASSURE
Check the position of the
compressor
Check the wire
Adjust
Check the battery
Replace
Check the battery
Clean
Replace
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