Operating instructions
F106.6 / F106.6A / F156.6 / F156.6A
Air conditioner fault tables
10000165-en
Blower malfunctions Page 1 of 4 Malfunction
Cause
Remedial action
Blower not working
Fuse defective or loose Check fuse contact, if necessary, plug in correctly. Replace defective fuse. Reappearance of the defect after a short time indicates a short-circuit. Check blower for blocking or other defects and rectify. Loose connector
Check that connector at the side of the unit is firmly in place. Plug in properly, if necessary. Check connections at blower switch. Open the unit and check electrical connections inside.
Connecting cable damaged or ripped off
Replace cable, observing correct cable run and connection.
Wrong electrical connections
Check connecting cables and, if necessary, reconnect properly.
Blower switch defective Replace by new OEM part. Blower assembly blocked
Eliminate cause of blockage, e.g. by removing foreign object from rotor. If necessary, install new blower.
Blower motor defective
Replace blower.
Blower cannot be stopped
Blower switch defective Replace blower switch.
Blower performance reduced
Wrong nominal supply voltage
Nominal voltage of conditioner and of vehicle system must be identical. Replace blower.
Contacts dirty
Clean connector contacts. Work carefully to avoid shortcircuits.
Heat exchanger heavily Clean carefully to avoid any damage resulting in consecontaminated quential leaks. Blower ducts obstructed
Check air ducts and outlets for obstructions and remove any foreign objects. Î
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