Hitachi CHROMASTER 5160 Instruction Manual page 127

4.3 Troubleshooting
4.3.1 Error Messages and Proper Measures
Electric Shock in Contact with Inside of Instrument
Before removing the pump cover for parts replacement, etc, make
sure to turn OFF the power switch and disconnect the power cord
from the receptacle.
Operation
Power ON
NOTE: If the pump should become faulty, contact the dealer
from whom you purchased the pump. Repair must be
left to personnel who have undergone Hitachi High-
Tech Science Corporation technical training since
potential hazards are involved.
WARNING
(1) If an abnormality occurs on the Model Chromaster 5160
pump, an error message appears on the LCD (Liquid
Crystal Display). Error displays result from either the
detection of a fault during the self-diagnostics at power up
(upon Initialization), or from a problem which occurs during
operation. Fig. 4-4 shows error detecting functions and
the error messages.
Function
Initialization
Error
generating
condition
NO
Pump operation
Error
generating
condition
NO
Fig. 4-4 Error Generation and Error Messages
4 - 11
Error message
ROM ERROR
RAM ERROR
YES
EPROM ERROR
MOTOR INITIALIZE ERROR
E-LINE ERROR
PRESSURE MAX LIMIT ERROR
YES
PRESSURE MIN LIMIT ERROR
EXTERNAL STOP!