Fuse, Checking
100S, 100CS
On 100S and 100CS models, the fuse for the telephone is located near the transceiver multi-pin connector.
To check and/or replace the fuse:
-- Remove fuse from fuse holder (arrow)
S4
The telephone fuse on the -S4- is located near the transceiver next to the transceiver multi-pin connector. Fuse location TELEPHONE TRANSCEIVER MOUNTING OVERVIEW, S4 , illustration 90-962.