Appendix; Trouble Shooting Table - Fuji Electric NRF51 User Manual

Trouble shooting table

9.1
Error Indication
"OPTI ERROR"
"MEM ERROR"
"RTC ERROR"
"DEV ERROR"
"COMM ERR"
"BT ERROR"
"USB ERROR"
When returning the item to Fuji Electric representative, please provide with precise details of problems.
Note: This table is applied only to the malfunctions that occur during or after proper use, handling and
storage.
Symptom
No indications on LCD
Characters on LCD are
garbled.
Backlight does not light
when pressing a mode
switch.
Dose error
・Dose accumulation
does not work
・Displayed dose is high
・Displayed dose is low
Buzzer does not sound
Vibrator does not work
9.
Possible Cause
(1) Sensor unit malfunction
(2) CPU malfunction
(1) EEPROM malfunction
(2) CPU malfunction
(1) RTC malfunction
(2) CPU malfunction
(1) Electronic component malfunction
(except for the above)
(1) Radio module malfunction
(1) Bluetooth module malfunction
(1) CPU malfunction
Possible Cause
(1) Defective battery connection
(2) Mode switch malfunction
(3) LCD malfunction
(4) CPU malfunction
(1) LCD malfunction
(2) CPU malfunction
(1) Mode switch malfunction
(2) LCD malfunction
(3) CPU malfunction
(1) LCD malfunction
(2) Sensor unit malfunction
(3) CPU malfunction
(4) Calibration factor trouble
(If display operation is correct)
(1) Attached Exogenous material
(2) Set frequency failure
(3) Buzzer lead wire is broken
(4) CPU malfunction
(1) Vibrator malfunction
(2) CPU malfunction

Appendix

(1),(2)
Contact Fuji Electric representative.
(1),(2)
Contact Fuji Electric representative.
(1),(2)
Contact Fuji Electric representative.
(1) Contact Fuji Electric representative.
(1) Contact Fuji Electric representative.
(1) Contact Fuji Electric representative.
(1) Contact Fuji Electric representative.
(1) Check battery polarity and there is no
exogenous material.
(2) to (4)
Contact Fuji Electric representative.
(1),(2)
Contact Fuji Electric representative.
(1) to (3)
Contact Fuji Electric representative.
(1) to (3)
Contact Fuji Electric representative.
(4) Check calibration factor. Contact Fuji
Electric representative for calibration
method.
(1) Check if there is no dust. If it is not
improved after removing a dust, contact Fuji
Electric representative.
(2) to (4)
Contact Fuji Electric representative.
(1),(2)
Contact Fuji Electric representative.
Suggested Solution
Suggested Solution
TN5A4215b 52/58