22
WARNING: All repairs must be entrusted to an authorized service center.
Incorrectly performed repairs
could lead to injury or death.
LCD screen error codes:
Error Code
Cause
Effect
How to return to operation
Solution
E5
E7
E61
E62
Pressure sensing abnormality
or no signal from sensor
Motor will stop
When pressure signal is normal,
will automatically return to operation
Check pressure transducer and check for
bad connections with transducer, LCD or
PC board
Motor overloaded or electronics
board overheated
Motor will stop Turn the machine OFF and then ON
again to reset.
Check motor and wiring. Also check for
overtightened packings
E9
Maximum pressure exceeded
Motor will stop When pressure signal is normal,
will automatically return to operation
Check pressure transducer
Voltage below minimum
(110V models: under 90V while
at rest,, under 70V while
running)
(220V models: under
200V while at rest, under 180V
while running)
Motor will stop
When voltage is normal, will
automatically return to operation
Check voltage supply
Voltage above maximum
(110V models: over 130V)
(220V models: over 260V)
Motor will stop
When voltage is normal, will
automatically return to operation
Check voltage supply
