5
Troubleshooting
Starting problems
Fault |
| Cause |
|
| Remedy | |
|
|
| No air has been exhausted. |
|
| Clean fan. |
"No air" on display |
|
|
| Clean outlet tube. | ||
|
|
| Fan blocked. |
|
| Eliminate the fault. |
|
|
| Vacuum valve does not connect. |
|
| Check if the valve’s switch connects. |
|
|
|
|
|
| Check position/switching point of the switch. |
|
|
| Plug of vacuum valve is not inserted. |
| Insert the plug in the right input of the control. | |
|
|
| Malfunction frequency converter. |
|
| See page 44. |
"No speed" on | Frequency converter out of order. |
|
| See page 44. | ||
display |
| Plug of drive is not inserted. |
|
| Insert the plug in the right input of the control. | |
|
|
| Speed sensor does not detect pulses. |
| Adjust distance chain wheel and sensor to 1mm. | |
|
|
|
|
|
| Out of order, replace sensor. |
|
|
| Burner in reset. |
|
| Open gas tap and reset burner. |
|
|
| Ionization |
| Insert plug well in burner and control print. | |
"No heat" on | contact of burner. |
|
|
| ||
Plug of heating is plugged out of the burner. |
| Insert plug in right input of the control. | ||||
display |
|
| ||||
| No gas in pipe at first |
|
| Make many start attempts, with resets in the | ||
|
|
|
|
| ||
|
|
|
|
|
| meantime, so that air is removed from the pipes. |
|
|
| Overheat switch tripped. |
|
| Check system and reset switch. |
|
|
| Fuse gas control broken. |
|
| Replace fuse after controlling system. |
"Foot" on display | Foot pedal is operated. |
|
| Release the foot pedal. | ||
|
|
| Readjust the switch. | |||
|
|
|
|
|
| Tighten the springs. |
"Heat1" or | Temperature sensor cable interrupted. |
| Check cable and repair defects. | |||
"Heat2" on display | Temperature sensor out of order. |
|
| Replace the sensor by a new one. | ||
(number of the | Input on control out of order. |
|
| Replace the control by a new one. | ||
defective sensor) |
|
|
|
| ||
Frequency converter |
|
|
| |||
|
|
|
|
|
|
|
Fault |
|
| Condition |
|
| Possible cause |
OI.AC** |
| Drive output instantaneous over current. | Insufficient ramp times. | |||
|
|
|
| Phase to phase or phase to ground short circuit on the drives | ||
|
|
|
| output. |
| |
|
|
|
| Drive requires autotuning to the motor. | ||
|
|
|
| Motor or motor connections changed, | ||
It.AC |
| I²t on drive output current. | Excessive mechanical load. | |||
|
|
|
| High impedance phase to phase or phase to ground short circuit | ||
|
|
|
| at drive output. |
| |
|
|
|
| Drive requires | ||
HFxx trip |
| Hardware faults. | Internal drive hardware fault. | |||
42
