RF POWER MODULE TROUBLE SHOOTING

RF POWER MODULE TROUBLE
SHOOTING: Refer to trouble shooting information
in the power module’s documentation.

Caustion; RF power modules contain solid state devices that
may be damaged if they are subjected to excessive
heat or high voltage transients. Every effort must be
taken to ensure circuits are not overdriven and they
are not disconnected from their loads while turned
on.
RF POWER MODULE REMOVAL:
Remove a defective RF power module as follows:
(a)Verify requirements of paragraph 5.4 have been
completed and are being met.
(b)Press POWER MODULE INHIBIT on the front
panel of the power module.
(c)Ensure that TEMP alarm and PWR MODULE FAIL
alarm on the power module are both turned on.
(d)Remove connector from J1 of the power
module. You should hear a relay in the rear of
the transmitter pick up (turn on).
(e)Loosen the screw at bottom front of the power
module (the connector must be removed from J1
to allow access to the screw).
(f)Remove two screws at top front of the power
module.
(g)Carefully pull the power module forward. Lift
it out of the transmitter.

NOTE
The power modules are heavy (approximately 25kg).
Use caution when lifting them into or out of the
transmitter.

If an operational RF power module is available, it
may be installed in the transmitter while the power
module is being serviced.

RF POWERMODULE
INSTALLATION: The procedure to install a power
module in the transmitter follows:
(a)Verify requirements of paragraph 5.4 have been
completed and are being met.
(b)Lift the power module into the transmitter.
(c)Ensure the module is pushed firmly in place.
Several alarms will turn on (PWR MODULE FAIL,
RF FAIL and all MOD alarms).
(d)Gently tighten the spring-loaded screw located
at bottom front of the power module. Do not
overtighten this screw, it needs only to be
finger-tight.
(e)Fasten top front of the power module to the
transmitter with two screws. Tighten firmly.
(f)Mate connector to J1 of the power module. You
should hear the relay in the rear of the
transmitter drop out (turn off).
(g)Press RESET on front of the power module.