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● The pressure indicator LED (28) lights red (REMS Akku-Press 22 V ACC),
see 3.6.
● The strength class of the threaded bar is > 4.8 (400 N/mm
(REMS Mini M cropping tongs, REMS M cropping tongs M).
● Cropping inserts/cable cutters are blunt (REMS Mini M cropping tongs,
REMS M cropping tongs/REMS cable shears).
● Wrong Klauke pressing inserts inserted in REMS Mini Basic E01 pressing
tongs, REMS Basic E01 pressing tongs.
5.3. Fault: REMS Power-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: Formation of burr when cropping threaded bars (REMS Mini M cropping tongs, REMS M cropping tongs).
Cause:
● Cropping inserts are blunt or broken out.
● The strength class of the threaded bar is > 4.8 (400 N/mm
5.7. 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.
5.8. 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 (REMS cordless drive units).
● Drive unit defective.
5.9. Fault: Expander does not complete the expanding, expanding head does not open fully.
Cause:
● Drive unit overheated (REMS Power-Ex-Press P-CEF ACC).
● Worn carbon brushes (REMS Power-Ex-Press P-CEF ACC).
● Battery depleted or defective (REMS cordless drive units).
● Drive unit defective.
● Wrong expanding head (press fi tting system, size) inserted.
● Expanding head stiff or defective.
● Expander set incorrectly (REMS Akku-Ex-Press 22 V ACC).
● Distance from the press fi tting to the expanding head too small.
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● Have the drive unit checked/repaired by an authorised REMS 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.
)
● Note strength class of the threaded bars.
2
● Turn or change cropping inserts/change cable cutters.
● Observe and follow the system provider's instructions, change the pressing
inserts if necessary.
Remedy:
● Have the drive unit checked/repaired by an authorised REMS 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 REMS customer
service workshop for inspection.
Remedy:
● Turn or change cropping inserts.
).
● Note strength class of the threaded bars.
2
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 REMS customer service
workshop.
Remedy:
● Let the drive unit cool down for about 10 minutes.
● Have the carbon brushes or DC motor changed by qualifi ed personnel or an
authorised REMS customer service workshop.
● Charge the battery with the rapid charger or change the battery.
● Have the drive unit checked/repaired by an authorised REMS customer service
workshop.
● Change expanding head.
● Do not use the expanding head anymore! Clean the expanding head and
grease lightly with machine oil or change.
● Reset the expander, see 2.5.
● Increase the distance between the press fi tting and the expanding head.
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