P
AGE
13
OF
15
DGF7 Display
reference
manual, rev. 1, feb 22, 2022
Ground
Fault
Systems
B.V.
7.3
Table 3 - Trip
codes
Code
Description
00
TEST GROUND FAULT
The user started a test and as a result of that the system tripped.
01
GROUND FAULT
Residual current exceeded the G/F Trip Level during the G/F Trip Delay, but never
exceeded the H/C Trip Level.
02
SHORT CIRCUIT TO GROUND
Residual current exceeded the S/C Trip Level; system response was instantaneous.
In case Type 2 Co-ordination is used, the upstream device tripped correctly, and
after the current went to zero as a result, the DGF7-3 activated its trip relay to
isolate the faulty circuitry.
03
BACKUP TRIP (UPSTREAM FAILED)
This trip can only occur when the Trip Inhibit function is used. Residual current
exceeded the H/C Trip Level, but the upstream device failed to trip. The DGF7-3
then tripped as a last resort. The contactor should be inspected, since its contacts
may well be damaged.
04
EXTERNAL CS OPEN CIRCUIT
The connection to an external CS was detected to be open for approximately 2
seconds. This error is latched, so intermittent failures are captured.
05
EXTERNAL CS SHORTED
The connection to an external CS was detected to be shorted for approximately 2
seconds. This error is latched, so intermittent failures are captured.
06
TRIP FAILED
A trip state on top of one of the possible trips described above. Residual current
remained high after a trip. Pressing reset clears this trip, but not yet the trip state,
such that the LCD display now shows the original trip code and the red LED on the
DGF7-3 will now show the original trip’s flashing code.
08
FAILSAFE LOSS OF CONTROL VOLTAGE
The DGF7-3 base unit is used in one of the failsafe trip relay modes, and it lost
control voltage while not being tripped.
