repairs at the unit
11.8
replAcINg The cIrcuIT BoArD
The following procedure must only be performed
i
by a Titan Authorized Service Center.
Perform this procedure using Circuit Board Kit.
1. Open the relief valve, valve position PRIME (k
circulation). Switch the unit OFF. Unplug the power plug
from the outlet.
2. Loosen and remove the four motor cover screws (1).
Remove the motor cover (2).
3. Disconnect the red and black wires that connect the circuit
board (3) to the motor assembly (4).
4. Disconnect the white wires that connect the circuit board
to the pressure switch.
Do not attempt to pull wires from the inside of
the pressure switch assembly. If the pressure
switch wire connector
Attention
through the opening in the pump housing, pull
gently on the wires until the connector is shown
through the opening.
5. Disconnect the black wire that connects the circuit board
to the circuit breaker (6).
6. Disconnect the white wire that connects the circuit board
to the power switch.
7. Loosen and remove the two circuit board screws (8).
Remove the circuit board (3).
8. Install the new circuit board (3) and secure with the two
circuit board screws (8).
9. Reconnect the wires that were disconnected in steps 3-6
(Refer to the Connection Diagram, section 11.9).
10. Slide the motor cover over the motor. Secure the motor
cover with the four motor cover screws.
24
is not exposed from
5
4
1
2
Impact 400
7
6
3
8