Fault Analysis And Troubleshooting; Abnormal Noise; Vibration; Overcurrent - Bosch Climate 5000 Installation, Operation And Maintenance Manual

20 | Fault analysis and troubleshooting

6 Fault analysis and troubleshooting

6.1 Abnormal noise

Supply fan
Motor
Connecting part

6.2 Vibration

Vibration

6.3 Overcurrent

Startup
Running
8736862495(2015/07)
Cause
Pulse operation
Fluid sound
Air valve fully closed
Ai flow too large
Contact of moving parts
In addition to
Loose bolts
fluid sound
Ingress of impurities
Belt slippage
Resonance
Bearing abnormal
noise
Voltage abnormal
Bearing abnormal
Connecting parts loose
Outer plate loose
Gasket peeled off
Cause
Fastening state abnormal
(loose bolts, poor base)
Belt loose
Ingress of impurities
Bad dynamic balance
of moving parts
Contact of moving parts
Pulse operation
Cause
Air valve fully open
Vane run reversely
Air flow too large
Fan speed too high
Motor abnormal
Voltage abnormal
Remedy
Reduce resistance outside
Open air valve
Turn down air valve switch
Adjust clearance
Tighten
Clean
Clean oil and water, and
adjust belt tension
Check settings
Refill or replace
Check voltage
Replace
Tighten
Tighten
Rectify
Remedy
Tighten bolts
Strengthen base
Adjust the belt tension
Clean
Adjust dynamic balance
Adjust clearance
Reduce resistance outside
Remedy
Reduce resistance outside
Re-adjust motor wiring
Turn down air valve switch
Reduce fan speed
Repair in accordance with
the specific reason
Adjust voltage
Climate 5000