11.3.2.2. Test/replace fuses F3/F4
Information: For version with electrical connection type KP/KPH, the fuses
(F1/F2) are also located on the PSU board.
1.
Loosen screws [1] and remove cover [2] on the rear of the actuator controls.
Figure 92:
Check fuses.
2.
The power supply unit has measurement points (solder pins) allowing to perform
a resistance (continuity) measurement:
Table 36:
Measuring points
Checking
MTP1 – MTP2
F1
MTP3 – MTP4
F2
MTP5 – MTP6
F3
MTP7 – MTP8
F4
3.
To replace defective fuses: Carefully loosen power supply unit [3] and pull out.
(The fuses are on the equipped part of the power supply board.)
Cable damage due to pinching!
Risk of functional failures.
→
Carefully assemble power supply unit to avoid pinching the cables.
11.3.3.
Fuses within the control box
Electric shock due to presence of hazardous voltage!
Failure to observe this warning results in death or serious injury.
→
Disconnect device from the mains before opening.
1.
Open control box.
2.
Set disconnect switch [Q1] to position
(OFF).
3.
Loosen screws [1] until the cover may be turned to open the flameproof enclos-
ure.
Information: A rod can be placed in the grooves of the cover to facilitate
opening.
82
SAEx 25.1 – SAEx 40.1 / SAREx 25.1 – SAREx 30.1
Corrective action
ACExC 01.2
