LTH Electronics MXD70 Series, Manual, Page: 297 / 631

Faults
- 40 -
MXD70 Electrodeless Conductivity
Setup and Operating Guide
Faults
Input Channel Errors
E030 CH1 Input Card Checksum Error
E080 CH2 Try switching the unit off and then on again. If the message persists, consult with
your supplier, as the channel’s input card may require to be returned for repair.
E130 CH3
E031 CH1 Setup Checksum Error
E081 CH2 The current channel’s configuration has for some reason become corrupted. Try
switching the unit off and then on again. If the message persists reset the current
channel from the Reset Unit Settings option in the Save/Restore menu or consult
with your supplier, as the channel’s input card may require to be returned for
repair.
E131 CH3
E032 CH1 Store A Checksum Error
E082 CH2
The data in the channel’s Store A has become corrupted. Check the channel’s
current setup. Then save the setup back to channel’s Store A in the Save/Restore
menu.
E132 CH3
E033 CH1 Store B Checksum Error
E083 CH2
The data in the channel’s Store B has become corrupted. Check the channel’s
current setup. Then save the setup back to channel’s Store B in the Save/Restore
menu.
E133 CH3
E034 CH1 Factory Cal Checksum Error
E084 CH2 Try switching the unit off and then on again. If the message persists, consult with
your supplier, as the channel’s input card may require to be returned for repair.
E134 CH3
E035 CH1 User Cal Checksum Error
E085 CH2 The Channel’s User Cal has for some reason become corrupted. Try switching the
unit off and then on again. If the message persists Reset the Channel from the
Reset User Calibration option in the Calibration menu or consult with your supplier,
as the channel’s input card may require to be returned for repair.
E135 CH3
E036 CH1 Sensor Cal Out Of Spec
E086 CH2
The last Sensor Calibration was out of specification, check sensor condition and
connections and repeat calibration. If the message persists please consult with
your supplier.
E136 CH3
E037 CH1 Sensor Zero Cal Out Of Spec
E087 CH2 The last Sensor Zero Calibration was out of specification, check sensor condition
and connections and repeat calibration. If the message persists please consult with
your supplier.
E137 CH3
E038 CH1 Sensor Span Cal Out Of Spec
E088 CH2 The last Sensor Span Calibration was out of specification, check sensor condition
and connections and repeat calibration. If the message persists please consult with
your supplier.
E138 CH3
E039 CH1 No Signal
E089 CH2
No Sensor connected or there is 'zero' detector current. The probe sensor units
(PSU) will be set to 16000 or 32000 if turbidity. If this message persists, please
consult with your supplier.
E139 CH3
E040 CH1 Signal Overload
E090 CH2 The gain step is equal to 0 and the A/D output is over 255. This cannot happen in a
liquid but could happen if the sensor is in full sunlight. The probe sensor units
(PSU) will be set to 16000 or 32000 if turbidity. If this message persists, please
consult with your supplier.
E140 CH3