Operating manual: PHOTOMETER FM-4 15
4. 3. Troubleshooting
Error
Possible cause
Action
No LED is lit.
- no power supply
- burned fuse
- light conditions are out of any
programmed range
- check power
- change fuse
- fix photometer setup
No contactor output is
active.
- burned fuse
- light conditions are out of
programmed range
- to long averaging interval
- change fuse
- fix photometer setup
- shorten averaging interval
Software
messages
Note: “Port closed!”
- note appears at start of the
program if another device is
occupying the port
- close other applications
- check/change serial port
Note: “No
communication!”
- note appears by unsuccessful
communication with
photometer
- check ID number of the device
- check power supply and data
connection to the photometer
Note: “Communication
error!”
- note appears by unsuccessful
communication with
photometer
- try data transmission again
- check serial COM port
Note: "... is not a valid
integer value."
- note appears when other than
integer value is being entered
- entered data must be numerical integer
Note: “Maximum value is
12 minutes!”
- note appears if averaging interval
exceeds 12 minutes
- entered data must be between 0 and 12
4. 4. Spare parts
Parts that need to be changed must be replaced with original or functional equivalent
parts approved by manufacturer.
User serviceable parts:
- fuse F 3 A 5 x 20 mm
Summary of Contents for Photometer FM-4
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