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FX-3R Maintenance Guide 13-28 13-4-10. Battery Unit (40048007) WARNING To avoid serious personal injury caused by electric shock, always turn OFF the main switch completely. Make sure that the main circui t breaker and m…

FX-3R Maintenance Guide

13-27

Rev. 1.00

g Remove SL4030691SC (2 pcs.) and inch screws (40048047) (4 pcs.) from the ATX

bracket (40063463).

h After the connectors have been disconnected from the ATX bracket, the ATX power

supply can then be detached.

i Replace the detached ATX power supply with a new one and reassemble the parts and

components in the reverse order of disassembly.

Figure 13-4-9-3 Detaching the ATX Power Supply

SL4030691SC ×2

SEMS cap bolt M3×6

40048006

ATX power supply

40063463

ATX bracket

40048047 ×4

Inch screw

FX-3R Maintenance Guide

13-28

13-4-10. Battery Unit (40048007)

WARNING

To avoid serious personal injury caused by electric shock, always

turn OFF the main switch completely.

Make sure that the main circuit breaker and main switch of the

main unit are turned OFF.

The main switch is a power switch mounted inside the building and

does not mean a switch on the machine main unit.

WARNING

(1) Before starting the work, take off a watch, ring, necklace, or

other metallic object.

(2) Always use tools with insulated grip.

(3) Do not put any tool or metallic part on the battery.

Rev. 1.00

[Functions]

If a power failure occurs, the control box is

backed up by this battery unit through the

connected ATX power supply (40048006).

[DIP switch settings]

There are no DIP switches on the battery unit.

[Meaning of LED]

The following shows the status of the LED for

indication of the battery unit.

Figure 13-4-10-1 Battery Unit

Table 13-4-10-1 LED Status Indications

Power supply status

AC input DC output Charger Battery

LED status Remarks

Normal Stop Stop

−

Off Standby

Normal Normal Normal Charging Orange (Lit) Power ON

Normal Normal Stop Fully charged

(80% or more)

Green (Lit) Power ON

Power failure Normal Stop Normal (Backup) Orange (Flashing) Backup

Normal Normal Error Normal Green/orange (Lit alternately) Charger failure

Normal Normal Normal Error Green/orange (Lit alternately)

Battery error

∗

Normal

Stop

∗

Normal Normal Green/orange (Lit alternately) DC output error

∗1. The battery charging may be stopped if the temperature of the battery built-into the unit is

45°C or more.

∗2. DC+5VSB output is excluded.

[Adjustment items after replacement]

There are no particular adjustment items.

[Replacement timing]

The battery is replaced at reference intervals of three years.

FX-3R Maintenance Guide

13-29

[Replacement procedure]

c Before starting the replacement work, always turn OFF the main power, main circuit

breaker, and main switch.

d The battery unit is located on the left in front of the base frame center and below the ATX

power supply (40048006). Remove SL6041092TN (1 pc.) on the left and loosen

SL6040892TN (1 pc.) on the right to detach the battery unit together with the BATTERY

SUPPORT PLATE (40092122).

e Remove four inch screws (40048047) to detach the battery unit from the BATTERY

SUPPORT PLATE (40092122).

Additionally, disconnect the cables from the ATX power supply.

f Replace the battery unit with a new one. Reassemble the parts and components in the

reverse order of disassembly.

Left Right

40048007

Battery unit

40092122

BATTERY SUPPORT PLATE

SL6040892TN

SEMS cap bolt with washer M4×8

Figure 13-4-10-2 Detaching the Battery Unit

Rev. 1.00