CE33 Installation and service Chapter 10-15
10.9 Preventive maintenance
Surface cleaning – to keep the CE33 cabinet and display screen clean, wipe
the surfaces with a clean damp cloth. For heavier cleaning, use a clean, damp
cloth which has been dipped in a solution of a mild dish detergent and water.
Wring out firmly before wiping the unit.
Never use cleaning solutions containing spirit or alcohol.
Electrical connections – periodically check the electrical connections. Make
sure that connections are tight and that no cables are frayed or worn.
10.10 Repair and service
The CE33 is sealed and does not contain any user serviceable parts. Opening
of this unit will void its warranty. If the CE33 requires servicing or repair, call
your authorized SIMRAD dealer, but first check section 10.11 below.
Spare parts – fuses may be bought from a chandler or a marine supply store.
Use only fuses specified for this unit – see 10.12 Specifications.
If you require a SIMRAD part, please contact your authorized dealer.
10.11 Troubleshooting
For all fault finding, first check that the supply voltage is between 10-32 VDC
Symptom Check Remedy
No picture on display
screen
Check that the unit is
turned on
Press the [PWR] key on
keypad
Check fuse in power cable
fuse holder
Replace fuse. Use only
type 4.0A slow
Picture appears on the
display screen, but image
is too dark or too bright
Press [PWR], adjust light/
contrast, press [ENT]
No normal picture or key
operation
Turn unit off and on again
Disconnect power and
connect power again
Check via [MENU], [1],
[3] if C-MAP chart is
defective
Remove C-MAP chart if
defective
Return to factory presets,
see section 9.7
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