RKI Instruments FP-40 - Manual (Page 14)

13
5 TROUBLE SHOOTING
This trouble-shooting guide cannot cover all possible malfunctions. The most likely problems and
causes are listed below.
Symptom (Message) Cause Treatment
Low battery (REPLACE BATTERY) Battery voltage is low. Replace Batteries
Excessive shock such as
dropping, or extensive use
for a long time.
Turn on power again and repeat
the sensor check. If it does not
recover, return to factory for
repair.
Sensor failure (FAIL)
Remove the detection TAB
during sensor check. Replace TAB and turn on the
power. Re-check the sensor.
Pump failure
(PUMP FAILURE)
Excessive shock such as
dropping, or extensive use
for a long time. Turn power on again.
If not recovered, replace pump or
return unit to factory for repair.
System error of instrument
(SYSTEM ERROR)
Possible influence by high
EMI or RFI signal, or other
electrical problem. Turn power on again. If not
recovered, return to factory for
repair.
Detachment of TAB
(RESET TAB)
Remove TAB.
Remove /replace tab after gas
detection cycle is complete.
Failure of TAB.
(TAB FAILURE)
(REPLACE TAB)
The initial condition of
TAB is not normal.
Use new TAB.
Batteries need replacement
or no batteries installed.
Battery polarity is wrong.
Replace o r install batteries
correctly.
Power will not turn on.
On/Off switch not held long
enough. Press switch for approx. 2 sec.
(Until instrument turns on)
Pump not working.
The battery capacity is too
low.
Replace batteries and try again.
Sample cannot be drawn
The sampling hose is
disconnected or clogged. Check the connection of sampling
hose. Check for clogged hose.