Instruction manual

Troubleshooting
Troubleshooting Guides
6-6 Model 5030i SHARP Instruction Manual Thermo Fisher Scientific
Alarm Message Possible Cause Action
Settings Verify settings.
Nephelometer Alarms –
Neph Cal
Bad zero Re-zero.
No flow Verify values.
Nephelometer Alarms –
Neph Temp
Disconnected cable Verify cable connections.
Nephelometer Alarms –
Neph RH
Error in calibrating Re-calibrate.
Defective sensor Replace board.
Nephelometer Alarms –
LED Current
Current settings too
low
Set LED current to 65 m
Disconnected cable
from base
Verify cable connection.
Disconnected cable
from SHARP optics
board
Verify cable connection.
Nephelometer Alarms –
Ref Det Volt
Current settings too
low
Set LED current to 65 mA.
Disconnected cable
from base
Verify cable connection.
Disconnected cable
from SHARP optics
board
Verify cable connection.
RH/Temperature Alarms –
Ambient RH
Disconnect cable
(external) on rear panel
Verify cable connection.
Disconnect cable
(internal)
Verify cable connection.
RH/Temperature Alarms –
Sample RH
Disconnected heater Verify cable connection.
RH/Temperature Alarms –
Ambient Temp
Disconnect cable
(external) on rear panel
Verify cable connection.
Disconnect cable
(internal)
Verify cable connection.
RH/Temperature Alarms –
Flow Temp
Disconnected cable Verify connection to measurement
interface board.
Sensor defective Replace sensor.
RH/Temperature Alarms –
Board Temp
Disconnected cable Verify connection to measurement
interface board.
Sensor defective Replace sensor.