Dr. Escherich ESUC 41, Operating Instructions Manual

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Troubleshooting | 6
ESUC 41/61/81 27
2. CAUTION! The emitters of the ionisers are sharp and can cause injury. Do not
touch the emitter tips.
Connect one ioniser to a HV output.
3. Switch on ESUC.
4. Is a display showing again on the HV module 8A2?
ð If yes, there is a fault in the ioniser, continue with step 5.
ð If not, the ioniser is OK, continue with step 6.
5. For inspection or repair, send the device back after previous arrangement with Dr.
Escherich GmbH .
6. Repeat steps 1–4 until you have checked all ionisers.
TIP
In addition you can check the function of the ionisers with a suitable function tester
(see
}
Table 6, p. 26
).
6.4 Troubleshooting the Compressed Air Supply
▪ Are all connections correctly made?
▪ Is the compressed air supply on?
▪ Is the filter control valve open?
▪ Does the manometer at the filter control valve show the correct pressure setting?
▪ Is the filter cartridge of the filter control valve contaminated? Is there dirt, water or
oil in the filter bowl?
▪ Is the connection cable to the magnetic valve intact? Does the magnetic valve
switch on?
▪ Is the magnetic valve actuated correctly (e.g. in case of remote control see circuit
diagram ESUC or if applicable by AIR CONTROL)?
See also
2 7.4 Maintenance of the Filter Control Valve [p. 31]
6.5 Troubleshooting the Suction System
Error display
Red lamp "Error" (
}
Fig. 2, p. 23
, item 3) is illuminated.
Possible causes
▪ Is the fan overloaded or jammed?
▪ Has the motor-protective circuit-breaker 5Q3 (see ESUC circuit diagram) been actu-
ated?
Error
Suction power is insufficient.