RS Components
Issued January 1995
9600
Identify fault mode
Motor does
not run
Check mains
supply is on
Replace
element
Motor runs
but
no heat
Service
completed
Motor runs
but
no airflow
Check grills
and clear is
necessary
Return complete
dryer to supplier
Adjust push button
(see setting-up
instructions)
Replace
timer
Check
condition of
motor brushes
Check wiring
Replace fuse
Service
completed
Performance
satisfactory?
Yes
No
Yes
No
Performance
satisfactory?
Has fuse blown?
Yes
No
Performance
satisfactory?
Performance
satisfactory?
Motor runs?
Are brushes
longer than
8mm?
Yes
Yes
Yes
Yes
No
No
No
Performance
satisfactory?
Yes
No
No heat
Service
completed
Service
completed
Return complete
dryer to supplier
Replace motor
brushes
Replace motor
and fan assy
No
Figure 1. Fault diagnosis chart