SIM-Q MKII
Installation/operation instructions
DEIF A/S
Page 13 of 18
4.1.1 Normal mode
Start-up monitoring mode
Fast measurement
(Fast mode measurement)
Power LED is flashing
Warning LED is set according to insulation
resistance and set point
Status LED is flashing (1 Hz 50 % duty cycle)
Meter shows the measured resistance in fast mode
Relay is deactivated independently of the measured
insulation resistance
“Power-up fast mode” is programmable in the range
0 to 30 s. Default = 0 s
Start-up monitoring mode
Show set point
Power LED is flashing
Warning LED is off
Status LED is flashing (0.5 Hz 50 % duty cycle)
Meter shows the set point
Relay is deactivated
“Power-up set point” is programmable in the range 0
to 30 s. Default = 15 s
Start-up monitoring mode
DIM-Q measurement
Power LED is on
Status LED is flashing
Warning LED is off
Meter is at unlimited insulation resistance
Relay is deactivated
Change from other mode
to monitoring mode
Power LED is on
Status LED is flashing
Warning LED is off
Meter is at unlimited insulation resistance
Relay is deactivated
Valid measurement
Insulation resistance is
higher than set point
Power LED is on
Status LED is on => valid measurement
Warning LED is off => no insulation error
Meter shows the measured insulation resistance
Relay is deactivated
Valid measurement
Insulation resistance is
lower than set point
Power LED is on
Status LED is on => valid measurement
Warning LED is on => insulation error
Meter shows the measured insulation resistance
Relay is activated
Measurement failed
Resistance drop
Resistance jump
Fail to converge, max.
measurement time
DC error
Power LED is on
Status LED is flashing (1 flash 3 breaks) =>
resistance drop
Status LED is flashing (2 flashes 2 breaks) =>
resistance jump
Status LED is flashing (2 Hz, 50 % duty cycle) =>
fail to converge, max. measurement time
Status LED is flashing (3 flashes 1 break) => DC
error measurement
Warning is set according to last valid measurement
Meter shows last valid measurement
Relay is set according to last valid measurement
