6.1
Symptom
Cause
Action
The probe fails to
power up (no LEDs
illuminated or fails
to indicate current
probe settings).
Dead batteries.
Change batteries.
Unsuitable batteries.
Fit suitable batteries.
Batteries inserted incorrectly.
Check battery insertion/polarity.
Batteries removed for too short a time
and probe has not reset.
Remove batteries for a minimum
of 5 seconds.
Poor connection between battery
cassette mating surfaces and
contacts.
Remove any dirt and clean the
contacts before reassembly.
The probe fails to
switch on.
Dead batteries.
Change batteries.
Batteries inserted incorrectly.
Check battery insertion/polarity.
Probe out of range.
Check position of RMI or RMI-Q,
see operating envelope.
No RMI or RMI-Q “start/stop” signal
(
“radio on”
method only).
Check RMI or RMI-Q for green
start LED.
Incorrect spin speed (
“spin on”
method only).
Check spin speed and duration.
Incorrect switch on method
configured.
Check configuration and alter as
required.
Incorrect multiple probe mode setting
configured.
Check configuration and alter as
required.
RMP400 in hibernation mode (
“radio
on”
method only).
Ensure probe is in range and wait
up to 30 seconds, then resend
switch-on signal.
Check position of RMI or RMI-Q,
see operating envelope.
Spin on is within 1 second of spin off.
Check for 1 second dwell following
spin off.
Fault-finding
see Section 6,“Fault-finding”
