Instruction Manual

<6. Maintenance>

6-11

IM 11B08A01-01E

(7) Remove the screws shown below and remaining connecters, if any, to remove the board

from the assembly.

Screws

(8) Remove the two screws shown below to disconnect the connectors between the boards.

Screws

Safety Board 2

Insulation Sheet

Safety Board 1

(9) After replacing the board, follow steps (5) to (8) in the reverse order.

(10) Conﬁ rm that the connectors are placed in the correct locations.

(11) Install the cover on the protection system. Rotate the cover until it stops, then tighten the

locknut.

K9800SB 100 V Speciﬁ cation (Safety board 1)

K9800TB 100 V/200 V Speciﬁ cation (Safety board 2)

K9800SD 200 V Speciﬁ cation (Safety board 1)

B. Relays

(1) Stop the operation. (See “3.3.4 Stopping operation” for this procedure).

2nd Edition : May 11, 2012-00