KaVo K-POWERgrip EWL 4941 Operating Instructions Manual page 13

K-POWERgrip EWL 4941.
F • Loud running noise or K-POWERgrip
handpiece EWL 4941 heats up
C • Ball bearing faulty owing to wear or
soiling.
R • Check ball bearing and if necessary
replace.(see A 6.2)
C • Prolonged operation under very high
load.
R • Eliminate cause of high load, if neces-
sary increase speed or use tools with
smaller diameter.
C • Electronics of controller faulty.
R • Check controller or have repaired.
F = Fault C = Cause R = Rectification
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