Roller Uni-Press SE Notice D'utilisation page 23

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5. Trouble
For preventing damages make sure to avoid operating situations like exemplarily shown in Fig. 12 through
tongs Mini, pressing rings, adapter tongs, adapter tongs Mini, fi tting and drive unit occurs.
CAUTION CAUTION
After the drive unit has been in storage for a long period of time, the overpressure valve must be actuated fi rst by pressing the reset button (13) before putting back
into operation. If it is stuck or stiff, it may not be pressed. The drive unit must be handed over to an authorized ROLLER customer service workshop for inspection.
5.1. Fault: Drive unit does not work.
Cause:
● Worn carbon brushes (ROLLER'S Uni-Press SE, ROLLER'S Uni-Press,
ROLLER'S Uni-Press ACC, ROLLER'S Uni-Press XL ACC).
● Mains lead defective (ROLLER'S Uni-Press SE, ROLLER'S Uni-Press,
ROLLER'S Uni-Press ACC, ROLLER'S Uni-Press XL ACC).
● Battery depleted or defective (ROLLER'S cordless drive units).
● Drive unit defective.
5.2. Fault: Radial press does not fi nish the pressing, pressing tongs, Mini pressing tongs, pressing ring, adapter tongs, pressing segment do not close fully.
Cause:
● Drive unit overheated (ROLLER'S Uni-Press SE, ROLLER'S Uni-Press,
ROLLER'S Uni-Press ACC, ROLLER'S Uni-Press XL ACC).
● Worn carbon brushes (ROLLER'S Uni-Press SE, ROLLER'S Uni-Press,
ROLLER'S Uni-Press ACC, ROLLER'S Uni-Press XL ACC).
● Slip clutch defective (ROLLER'S Uni-Press SE).
● Battery depleted or defective (ROLLER'S cordless drive units).
● Drive unit defective.
● Wrong pressing tongs, Mini pressing tongs, pressing ring (pressing contour,
size) or adapter tongs, adapter tongs Mini inserted.
● Pressing tongs, Mini pressing tongs, pressing ring or adapter tongs, adapter
tongs Mini stiff or defective.
● The pressure indicator LED (28) lights red (ROLLER'S Multi-Press 22 V
ACC), see 3.6.
5.3. Fault: ROLLER'S Uni-Press SE switches of repeatedly at the end of the pressing.
Cause:
● Defective drive unit.
5.4. Fault: A prominent burr is produced on the press fi tting when closing the pressing tongs, Mini pressing tongs, pressing ring or pressing segments.
Cause:
● Damaged or worn pressing tongs, Mini pressing tongs, pressing ring,
pressing segments or pressing contour.
● Wrong pressing tongs, Mini pressing tongs, pressing ring (pressing contour,
size) or adapter tongs, adapter tongs Mini inserted.
● Unsuitable matching of press fi tting, pipe and support sleeve.
5.5. Fault: Pressing jaws close without load on the pressing tongs, Mini pressing tongs offset at "A" and "B" (Fig. 1).
Cause:
● Pressing tongs, Mini pressing tongs fell to the fl oor, compression spring
bent.
5.6. Fault: The pipe is crushed between the press fi tting and the fi tting joint in axial pressing.
Cause:
● Expansion too long.
● Pipe pushed too wide onto the support sleeve of the press fi tting.
● Wrong expanding head (press fi tting system, size) inserted.
● Unsuitable matching of press fi tting, pipe and support sleeve.
5.7. Fault: A prominent gap is left between the press fi tting and the fi tting joint after closing the pressing heads in axial pressing.
Cause:
● Pipe crushed between the compression sleeve and the fi tting collar, see
5.6.
● Wrong compression head (compression sleeve system, size) used.
● Battery depleted or defective (ROLLER'S cordless drive units).
● Drive unit defective.
12 through 12 14, that no distortion between pressing tongs, pressing
Remedy:
● Have the carbon brushes changed by qualifi ed personnel or an authorised
ROLLER customer service workshop.
● Have the mains lead replaced by qualifi ed personnel or an authorised ROLLER
customer service workshop.
● Charge the battery with the rapid charger or change the battery.
● Have the drive unit checked/repaired by an authorised ROLLER customer
service workshop.
Remedy:
● Let the drive unit cool down for about 10 minutes.
● Have the carbon brushes changed by qualifi ed personnel or an authorised
ROLLER customer service workshop.
● Have the slipping clutch checked/repaired by an authorised ROLLER customer
service workshop.
● Charge the battery with the rapid charger or change the battery.
● Have the drive unit checked/repaired by an authorised ROLLER'S customer
service workshop.
● Check the labelling on the pressing tongs, Mini pressing tongs, pressing ring or
adapter tongs, adapter tongs Mini and change if necessary.
● Do not use the pressing tongs, Mini pressing tongs, pressing ring or adapter
tongs, adapter tongs Mini any further! Clean and lightly grease the pressing
tongs, Mini pressing tongs, adapter tongs, adapter tongs Mini with machine oil
or replace them with new ones.
● Have the drive unit checked/repaired by an authorised ROLLER'S customer
service workshop. Re-press the press fi tting or replace it by a new one.
Observe the installation instructions of the press fi tting system.
Remedy:
● Have the drive unit checked/repaired by an authorised ROLLER customer
service workshop.
Remedy:
● Replace the pressing tongs, Mini pressing tongs, pressing ring with new ones.
● Check the labelling on the pressing tongs, Mini pressing tongs, pressing ring or
adapter tongs, adapter tongs Mini and change if necessary.
● Check the compatibility of the press fi tting, pipe and support sleeve. Observe
the installation and assembly instructions of the manufacturer/supplier of the
press fi tting system to be pressed and contact him if necessary.
Remedy:
● Send the pressing tongs, Mini pressing tongs to an authorised ROLLER
customer service workshop for inspection.
Remedy:
● Check whether the right expanding head was used. Pipe expanded several
times, observe the installation and assembly instructions of the manufacturer/
supplier of the press fi tting system to be pressed.
● Check whether the right expanding head was used. Pipe expanded several
times, observe the installation and assembly instructions of the manufacturer/
supplier of the press fi tting system to be pressed.
● Change expanding head.
● Check the compatibility of the press fi tting, pipe and support sleeve and contact
the manufacturer/supplier of the press fi tting system to be pressed if necessary.
Remedy:
● Check whether the right expanding head was used. Pipe expanded several
times, observe the installation and assembly instructions of the manufacturer/
supplier of the press fi tting system to be pressed.
● Change pressing head.
● Charge the battery with the rapid charger or change the battery.
● Have the drive unit checked/repaired by an authorised ROLLER customer
service workshop.
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