Bühler technologies Thermotronik T77 Guía Rápida página 10

Thermotronik T77
5.4 Keylock enabled
With the keylock enabled, selecting the menu with the
will display in place of the main menu. The active
digit will be indicated by a dot.
• Use the and keys to enter the code and confirm with
the key. The active digit will move one place to the
right. After entering the 3rd digit the main menu will
open.
If the wrong code is entered, the device will return to the
measurement display. If you forgot the password you can al-
ways enter master code 287 to access the menu.
You can cancel the keylock under Loc in submenu Basic Set-
tings Advanced Options b.EF and enter 000 to reset the code.
5.5 Menu overview
The menu structure is based on the VDMA standard sheet
24574-1. The menu structure is hierarchic. The top menu level
contains the main menu items, e.g. tEMP, b.EF, diA, E. Each
main menu has additional submenu items.
The menu items may vary depending on the device configura-
tion. Not all menu items described below will necessarily ap-
ply to your device. Press the
the configuration. A 4-digit code will appear, e.g.
With the 4 digits tsav meaning:
t: Model
s: Number of switch-
ing outputs
a: Number of ana-
logue outputs
v: Device installation
type
t___
Configuration
Equipment configuration
____
Display ____
Measurement display
Temperature tEMP
Temperature main menu
Basic EF b. E F
Basic Adv. Functions
Diagnostic DiA
Diagnostics menu
Exit E
Exit menu level
10 Bühler Technologies GmbH
key in display mode to open
t = temperature meas-
urement
1, 2 or 4
0 for 1
i = standard installation
(tank installation)
F = remote display
out1
Out 1
Settings menu OUT1
out_
Out X
If applicable
Settings menu OUTX
Analog Out 1 An 1
If applicable
Settings menu Analog 1
E
Exit
Exit menu level
The individual menu items will not be shown if the option
does not apply. Example: With a=0 the menu items for config-
key
uring the analogue output does not apply. You can then skip
the description for this item.
The switching outputs or analogue outputs can be configured
in the Temperature (tEMP) main menu.
The basic device settings can be changed. General settings can
be configured under Basic Settings Advanced Functions (b.EF).
These settings should be configured first, as they affect the
displays and settings for the individual menus. These settings
are e.g. the units used.
The Diagnostic (dia) menu further contains diagnostics op-
tions.
For the detailed illustration of the entire menu structure
please refer to the original operating instructions at the end
of this chapter.
6 Maintenance
Always observe the applicable safety- and operating regula-
tions when performing any type of maintenance. Please refer
to the original operator's manual on the included CD or online
at www.buehler-technologies.com for maintenance informa-
tion.
7 Service and Repair
Please refer to the original operator's manual on the included
CD or online at www.buehler-technologies.com for a detailed
description of the unit including information on
troubleshooting and repair.
7.1 Troubleshooting
Problem / Malfunc-
tion
No display
Error messages on the display:
Alternating between Err and Exxx: e.g.
Error 001
Error 002
Error 004
Error 008
Error 1024
Possible cause Action
• No supply • Check cable and
voltage replace, if neces-
sary
⇔
• Ambient • Maintain limits
temperature
too low
• Ambient
temperature • Maintain limits
too high
• Pt100 defect- • Replace Pt100
ive (short-cir- cable
cuit)
• Send device in for
repair
• Replace Pt100
• Pt100 defect-
cable
ive (cable
• Send device in for
break)
repair
• Internal error • Please contact
customer service
BX140013 ◦ 07/2019E