Diagnostic Test - Furuno PG500R Operator's Manual

2.3

Diagnostic Test

This equipment has a diagnostic test which
checks the LED, key operation, ROM, RAM,
EEPROM, magnetic sensor, rate sensor
(PG-500 only) and loop back for proper
operation. Do this test after dismounting the
sensor.
1. Disconnect the power cable from the
equipment.
2. While pressing the [AUTO] and [DAMP]
keys together, reattach the power cable.
3. Release the [AUTO] and [DAMP] keys
when the AUTO LED lights.
Then, the test is executed in the sequence
shown in the right column.
*1: If STATUS LED does not light (NG),
this test cannot be carried out. Contact
your dealer.
Also, if the sensor is not turned within
one minute after the EEPROM test,
the test is carried out with the "Mag
sensor" is NG.
*2: The loop back test requires a special
test connector.
It is skipped when the test connector
is not connected.
2. MAINTENANCE & TROUBLESHOOTING
AUTO
Start
AUTO LED
: OK
TRUE LED
: OK
CALIB
LED: OK
STATUS
LED: OK
All LEDs
blink twice.
AUTO lights
automatically.
Press the [AUTO] key.
AUTO key
: OK
Press the [DAMP] key.
DAMP key
: OK
Press the [ADJ] key.
ADJ key
: OK
Press the [AUTO] and [DAMP] keys together again.
All LEDs
go off.
ROM: OK
RAM: OK
EEPROM
: OK
Turn the sensor more than 180 until STATUS LED lights.*1
Mag.
sensor: OK
All LEDs
go off.
Rate
sensor: OK
Loop back
: OK*2
All LEDs
go off.
: On (normal)
Sequence of diagnostic test
6
TRUE CALB
STATUS
(PG-500 only)
Normal operation
: Off (error)
: Blink