jbc JT 7750 Guía De Referencia página 8

ENGLISH
2 Check the incoming air filter in the interior of
the station and replace it if dirty or obstructed.
Filter
Ref. 0861800
Error messages
ERROR
Whenever the ERR message appears, the
equipment turns itself off completely.
The following messages are displayed:
- BLANK SCREEN
Power failure. Check for blown fuses.
- ERR 1
The temperature will not rise.
Possible causes:
· Heating element open.
· In case of a long low-power period.
- ERR 3
No reading from the thermocouple.
Possible cause: open thermocouple.
- ERR 6
Insufficient air flow which causes an excesive
rise of the heating temperature.
Before recuperating this type of error you
must wait until the temperature goes down.
Possible causes: leaking or blocked air
conducts or faulty self-contained air pump.
- ERR 8
Faulty reading of the rotationsmeter of the self-
contained air pump.
Possible causes: air pump damaged or faulty
function of the optical sensor circuit.
- ERR F Error in circuit control.
To reset any of these errors turn on the general
switch at the back of the station, the pedal
should not be pushed at this moment.
x
MAINTENANCE
Changing the heater.
Turn off the station.
Use a wrench to unscrew the cover.
Move back the cover. Pull the connector from the
socket to disconnect the heater from the station.
Follow this process inverted to re-connect the
heater.
Changing the heating element from the heater.
This step has to be performed when the heater This step has to be performed when the heater
This step has to be performed when the heater This step has to be performed when the heater This step has to be performed when the heater
is cold is cold is cold. . . . . is cold is cold
1. Untighten screw.
2. Separate the heating element from the
heater's cable.
0005398 (230V)
0007297 (120V)
0005390
3. Connect the new heating element, pushing
it's extreme.
4. Insert screw to avoid air-loss which could
reduce the heating element's lifetime.
You will find all the information about control unit
JT 7750 in our web site:
http://www.jbctools.com
JBC reserves the right to make technical changes without prior
notification.
7
0005783 (230V)
0007293 (120V)