Specifications

Rockhopper 38 – Maintenance Manual
208
AP-74038, Rev. 1.1, 25/01/05
9.3 ERRORS WHEN MESSAGE IS NOT DISPLAYED
9.3.1 Trouble with Initialization.
No Message Explanation N° Checkpoint Action
1.1 • Is there a broken or shorted lead
in the switch cable assy (between
the switch and
power supply board)?
Use a tester to check for broken or
shorted leads.
→ Replace the switch cable
assy.
1.2 • Do the "Power supply voltage
check 100 V AC"
1.3 • Do the "Power supply voltage
check 5 V DC"
1.4 • Do the "Power supply voltage
check 24, 42 V DC"
1.5 • Check the panel cable
connectors on the panel board
and main board.
Are they inserted obliquely?
Are they securely locked?
Check Main board J110 (PANEL),
panel board J301 (MAIN)
→ Reconnect the
connectors.
1.6 • The panel cable may be faulty.
→ Replace it.
1.7 • Is there a fault in the panel board
assy liquid crystal display?
→ Replace the panel board
assy.
1 No Power
Faulty LCD
(no display,
unstable
display)
1.8 • The main board assy may be
damaged.
→ Replace it.