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GT20 Wire and Programming Manual
Rev 5-7-18
P/N C-00140
1. Go back to the Menu Page:
1. Push down on the Joystick until the Menu Page is displayed, or move the Joystick Up or Down until the Element
ESC is displayed.
2. Briefly push down on the Joystick to (OK) selection.
2. Move the Joystick to the Right or Left until the Menu DIAGNOSTICS is displayed.
DIAGNO-
STICS
3. Briefly push down on the Joystick. The Element Page will be displayed.
4. Move the Joystick to the Right or Left until the Element RO+ R1- FP- RP- is displayed.
5. Briefly push down on the Joystick. The Value will start to blink on the lower half of the screen.
6. Move the Joystick to the Right or to the Left to select(1) the appropriate Value.
7. Repeat steps 3 thru 6 until all Relay PCBs are programmed within the GT20 Control.
11 .2 .4 The Diagnostic Menu for Relay PCB Board
Diagnostic Element
Address
Description
Joystick
Display
R0+R1-
FP-RP-
Only (1) Relay PCB Board (R0) has
been installed
RO+R1-
FP-RP-
Displays what the Door Panel is doing
RO
Address for Relay Board (RC 0)
R1
N/A
FP
N/A
RP
N/A
Status Symbol
+
Identified and ready for operation
-
Neither identified nor registered
e
Defective or Error
x
Removed
CHAPTER 12: TROUBLESHOOTING
Electrocution hazard! Before working on any live elements, disconnect 120 VAC from unit .
If a malfunction occurs, which might be detrimental to the safety of users, and cannot
immediately be repaired . The owner must be informed . The installation shall be taken out of
operation and must be repaired as soon as possible .
Note: Every troubleshooting procedure which is carried out must be entered into the control booklet. Never leave an unsafe
door operational. If the door is not immediately repairable, turn off equipment. Advise the owner that the door should
not be used until repairs are made
SECTION 12 .1: Malfunction with Error - No
Note: Error is indicated on the display of the Control Unit.
X
A = Drive Unit deactivates itself during a certain period: Manual operating mode or stopping position.
X
F = Fatal error
X
H = Manual operating mode with re-starting attempt.
X
W = Warning
X
A0 = (A) Active Error; (0) Most recent Error
WARNING
