KaVo FOCUS, User Manual

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5 Error messages
FOCUS 25
5 Error messages
The error messages are grouped into two categories. User
errors (H) and system fault errors (E). User errors must
either be acknowledged or it will be removed once the error
is corrected. When system faults occur, a service
technician should be contacted.
Display Contents Error or Failure Action
E1 KV failure Contact the
service
E2 MA failure Contact the
service
E3 PREH failure Contact the
service
E4 Tube head too hot
or too cold Wait for valid tube
head temperature
E5 Line voltage low Contact the
service
E6 (not in use) N/A Contact the
service
E7 EEPROM failure Contact the
service
H1(necessary
waiting time) Duty cycle Wait for tube to
cool
H2(flashes
alternately with
elapsed exposure
time) Premature button
release Acknowledge with
UP or DOWN
button
H3 Door switch open
(connected to
Adjustment part) Check that door is
closed
H4 Door switch open
(connected to
Remote Control
Panel) Check that door is
closed
H5 System in Service
mode Go to the user
mode
H6 (NOT IN USE) NA NA
H7 (NOT IN USE) NA NA