GFA DC 8010 - Page 54

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Frequency inverter fault
These fault indications appear only for door drive units with
with frequency inverter.
Fault description Fault correction
F.
Display alternates between F and number
6.1
▪ Closing speed is too high ▪ Checkdoormechanismforsti󰀨ness.
▪ For doors with counter-balancing only: check
for spring breakage.
▪ Replace door drive unit if necessary.
6.2
▪ Internal communication
fault of frequency inverter
▪ Switchdoorcontrolo󰀨andon.
▪ Check connecting cable to limit switch.
▪ Replace door drive unit if necessary.
6.3
▪ Undervoltage in DC
voltage link
▪ Measure voltage during door movement.
▪ Measure grid input voltage.
▪ Change ramp times / speeds (
4.1-4.9)
6.4
▪ Overvoltage in DC voltage
link
▪ Measure voltage during door movement.
▪ Measure grid input voltage.
▪ Change ramp times / speeds (
4.1-4.9)
6.5
▪ Temperature limit
exceeded
▪ Door drive unit overloaded.
▪ Check for excessive ambient temperature.
▪ Allow door drive unit to cool down and reduce
number of cycles.
6.6
▪ Permanent current
overload
▪ Door drive unit overloaded.
▪ Checkdoormechanismforsti󰀨ness
6.7
▪ Fault of brake / frequency
inverter
▪ Check brake.
▪ Replace door drive unit if necessary.
6.9
▪ Collective indication
Frequency inverter
▪ Switchdoorcontrolo󰀨andon.
▪ Replace door drive unit if necessary.