OperationInstruction_Vsision XP - 第190页
Page 182 V ISION XP+ V AC 7 Alarm Messages 7.8 Process Chamber Open Operating Instructions V ersion 1.5 7.8 Process Chambe r Open 7.9 Heating El ements F ault Fig. 7-1 0 Lifting Motor L imit Switch The process cha mber i…

VISION XP+ VAC Page 181
7 Alarm Messages
7.5 Cooling section open (VXP)
Operating Instructions
Version 1.5
7.5 Cooling section open (VXP)
The cover at the cooling section or condensation trap is open or not locked.
Procedure:
• Close the cover or lock it
7.6 Fan Monitoring (option)
7.7 Exhaust
Fig. 7-8 Fans
A heater fan has fallen short of the
minimum speed in RPM selected in
the software.
Procedure:
• Check the fan monitoring window
in order to determine which fan is
effected (see also chapter 5.5.12
Fan Monitoring (optional), on
page 125).
• Check the connection of the ef-
fected fan.
• Clean or replace the fan.
Fig. 7-9 Exhaust Underpressure Capsule
The exhaust system has triggered
an error message because exhaust
volume is too low.
Procedure:
• Clean the exhaust ducts.
• Switch on or repair the plant ex-
haust system.
• Check the setting at the under-
pressure capsule.

Page 182 VISION XP+ VAC
7 Alarm Messages
7.8 Process Chamber Open
Operating Instructions
Version 1.5
7.8 Process Chamber Open
7.9 Heating Elements Fault
Fig. 7-10 Lifting Motor Limit Switch
The process chamber is not fully
closed.
Procedure:
• Inspect the closing edges for pos-
sible foreign objects.
• Click the software button used to
close the process chamber once
again.
• Make sure that the signal from the
safety switch arrives at the digital
input.
Fig. 7-11 Current monitoring module
In the heating zones, pyrolysis tube
heating flows to a low or no current.
Possible causes:
• Green LED flashes: the set value
is reached.
• Orange LED: Power shift value
has fallen below limit.
• Red LED: power limit has been
exceeded for more than T ^.
Procedure
• Fuse tripped, measure heating
and replace if necessary.
• Fuse not tripped, readjust current
module. Strong mains fluctua-
tions.

VISION XP+ VAC Page 183
7 Alarm Messages
7.10 Overtemperature Protection Tripped (Option)
Operating Instructions
Version 1.5
7.10 Overtemperature Protection Tripped (Option)
7.11 Drive Motor
The “Drive Motor” alarm is displayed if the motor is overloaded. The mes-
sage is triggered by the temperature or the current monitoring function.
7.12 Condensate Trap Error (VXP)
Possible causes:
• The condensate trap fans are at a standstill.
• The frequency converter indicates an error.
• The lock is not correctly closed.
Procedure:
• Inspect the fans and repair if necessary.
• Inspect the frequency converter and repair if necessary.
Make sure that the lock is correctly closed.
The condensate trap can only be opened after activating the “unlock con-
densate trap” button, which is located in the main window. See item P in Fig.
5-11 Main Window, on page 85 in the “Software” section to this end. Beyond
this, the fans may not be running.
Fig. 7-12 Temperature Limiter
An additional overtemperature pro-
tector switch has been tripped. The
temperature has risen to above the
selected maximum temperature at
the temperature limiter in one of the
temperature zones.
Possible causes:
• Heat controls set incorrectly
• Overheated heating element
• Defective thermocouple
• Defective temperature limiter
Details regarding the temperature
limiter are included in chapter 4.14
Additional Heat Zone Monitoring
(optional), on page 78.