Troubleshooting
49
Error code
The HU-200SS SS-90 has the capability of displaying various error codes.
A blinking error code is displayed on the auxiliary display.
More than two types of errors cannot be displayed. If multiple errors occur, higher priority
errors are displayed in the order in which they occur frequently.
Q
Description of error codes
Tip
When an error code is displayed, the HOLD indicator starts blinking and the transmission output
becomes the value specified on the Setup menu.
Error code
Contents of error codes
Remedial action
E-41
Zero calibration error
(Zero calibration error)
(A decrease in an amount of
transmitted light)
Clean the censor head, and try zero calibration with clean
water. If E-41 occurs at normal zero calibration, contact us.
E-80
(Sensor connection error)
The detector and the converter are
unconnected.
Check the connecting wires of the detector and the converter.
The connections of the detector are always monitored. If they
are connected under normal conditions, an error disappears.
See “ Connecting the detector cable ” (page 17).
E-81
(Sensor memory error)
Lloss of the contents of memory
inside the detector
Turn OFF the power source once, and turn it ON again. If the
system error does not disappear even if restarted, Contact us.
E-82
(Sensor ADC error)
Malfunction of the A/D converter
within the detector
Contact us.
E-83
(Actuation of the water immersion
detector)
Water exposure on the inside of the
detector
There is a possibility that water has gotten into the inside of the
detector.
Contact us.
E-84
(LED error)
The amount of reference light from
a LED is abnormal.
The amount of light from the LED has decreased abnormally.
Contact us.
E-90
(System error)
Internal communication error
Turn OFF the power source once, and turn it ON again.If the
system error does not disappear even if restarted, Contact us.
E-91
(System error)
Losing the contents of the memory,
such as set values and calibration
values
Turn OFF the power source once, and turn it ON again.If the
system error does not disappear even if restarted, Contact us.
E-92
(System error)
A/D converter malfunction
Contact us.
