Chapter 10-2 CR44/54 Troubleshooting, Service and Specifications
Symptom Check Remedy
All data is deleted after
turning off the unit and
turning it back on
Check battery lifetime.
Expected lifetime is min.
5 years
Internal battery must be
replaced by authorized
dealer
10.2 Preventive maintenance
Surface cleaning – to keep the CRXX 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, alcohol, gasoline or oils.
Electrical connections – periodically check the electrical connections. Make
sure that connections are tight and that no cables are frayed or worn.
10.3 Repair and service
The CRXX is sealed and does not contain any user serviceable parts. Opening
of this unit will void its warranty. If the CRXX requires servicing or repair,
call your authorized SIMRAD dealer, but first check Troubleshooting in sec-
tion 10.1.
Spare parts – fuses may be bought from a chandler or a marine supply store.
Use only fuses specified for this unit – see 10.4 Specifications.
If you require a SIMRAD part, please contact your authorized dealer.
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