Fuji Electric NRF51 User Manual page 53

Symptom
LED does not light
Operational hour is short
Battery voltage alarm is
always displayed
Infrared communication is
unable
USB communication does
not work
Bluetooth communication
does not work
Telemetry communication
does not work
Crack, breakage, damage
on the case
Possible Cause
(1) LED unit malfunction
(2) CPU malfunction
(1) End of the battery's life
(2) Increase the current consumption
(3) CPU malfunction
(4) Failure of voltage decline
detection
(1) Communication distance is too far
(2) Communication port is dirty.
(3) CPU malfunction
(4) Malfunction of Dosimeter
Configuration Tool (or PC)
(1) Cable malfunction
(2) Connector malfunction
(3) CPU malfunction
(1) Module malfunction
(2) CPU malfunction
(1) Module malfunction
(2) CPU malfunction
(1) Breakage due to drops, etc.
Suggested Solution
(1),(2)
Contact Fuji Electric representative.
(1) Replace with new batteries. See "5.1".
(2) Check the proper contacts in the battery
compartment and there is no exogenous
material in the battery case. If trouble
continues, contact Fuji Electric
representative.
(3),(4)
Contact Fuji Electric representative.
(1) Set the distance between
communication port of NRF51 and the
Dosimeter Configuration Tool within 5cm.
Also confirm that these windows are face to
face.
(2) Clean the communication part with soft
cloth. Check if there is no exogenous
material. If trouble continues, contact Fuji
Electric representative.
(3) Contact Fuji Electric representative.
(4) Refer to the instruction manual of
Dosimeter Configuration Tool to check if
software operation is proper.
(1) Check conduction to confirm there is no
problem with the cable.
(2),(3)
Contact Fuji Electric representative.
(1),(2)
Contact Fuji Electric representative.
(1),(2)
Contact Fuji Electric representative.
(1) Contact Fuji Electric representative.
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