BA-en-4003-2005_TUE30
31
7. Troubleshooting
Before carrying out maintenance or service work in the explosion hazard
area, make sure that there is no potentially explosive atmosphere in the
working zone.
Warning!
Maintenance and repair work must be carried out only by specially
qualified personnel
.
8. Technical specifications
8.1 Terrabox TCB030
Safety-related parameters
Error/Symptom
Remedy
Terra-Control unit enabled,
although the ground clamp
has not been clamped to a
conductive object.
Dirt settled on ground clamp: Clean ground
clamp with solvent (cleaning gasoline).
Do not immerse the plug of the coupling in
solvent.
Unit enabled after attaching
the clamp to a conductive
and grounded object,
although the connections to
terminals Z2 and/or PAL are
disrupted.
No error!
The unit identifies the ground connection of
the object and enables.
Unit fails to enable, cable
ripped from the plug or from
the clamp.
Shorten cable and reconnect
(see Electrical Connections)
Cable break on the rewind
reel.
Shorten cable and reconnect
(see Electrical Connections).
Ex!
MTTFd: [years]
(0.5 A relay load)
MTTFd: [years]
(5 A relay load)
1 switching cycle / day
2457.2
252.2
10 switching cycles / week
814.2
27.2
