Chapter 2: Maintenance and Fault Finding

7

Low battery

Action

Recharge your vessel’s battery as soon as possible

SPEED

D4638-1

Display blank

ST40

SPEED

 

D4639-2

Action

Check fuse/circuit breaker.

Check power supply.

Check SeaTalk cabling and connector security.

No speed or water temperature information

ST40

SPEED

 

 

 

 

Action

Check the condition of the transducer cable and the security of the connections.

ST40SPEED

D4640-2

No speed

 

 

information

 

 

but water

 

 

temperature

 

 

information is

ST40

SPEED

present

 

 

ST40

SPEED

D4641-2

Action

Transducer paddle wheel may be fouled.

CAUTION

If you need to remove the transducer insert, have the transducer bung to hand and secure it in the transducer body immediately after the insert has been removed, to prevent excessive ingress of water.

Clean the paddle wheel.

Page 16
Image 16
Raymarine ST40 manual Low battery, Display blank, Action, No speed or water temperature information, Present