JRC JCX-161 - 5 Operation Check; Operation Check of the Control Unit (NCK-175); Operation Check by Voltage

5. Operation check
JCX-161 BNWAS Installation Manual
106
7ZPNA4321
5 Operation check
5.1 Operation check of the control unit (NCK-175)
5.1.1 Operation check by voltage
󲨘 Check the following operation at the terminal block on the PCB with a tester.
Item Tester Voltage
+ -
1 Check the 1st Stage Bridge audible
alarm output.
CH2: 1ST BUZZER TB1-4 TB1-5 ON: Approx. 0V
OFF: Unfixed
RESET1 TB2-5 TB2-2
RESET2 TB2-10 TB2-7
RESET3 TB2-15 TB2-12
RESET4 TB2-20 TB2-17
RESET5 TB2-25 TB2-22
RESET6 TB3-5 TB3-2
ON: Approx. 12V
OFF: Approx. 0V
2 Check the 2nd Stage Remote audible
alarm output.
CH3: CAPTAIN TB1-6 TB1-7
CH4: C/O TB1-8 TB1-9
CH5: 2ND TB1-10 TB1-11
CH6: 3RD TB1-12 TB1-13
ON: Approx. 0V
OFF: Unfixed
3 Check the 3rd Stage Remote audible
alarm output.
CH7: 3RD BUZZER TB1-14 TB1-15
CH8: 3RD BUZZER TB1-16 TB1-17
ON: Approx. 0V
OFF: Unfixed
4 Check the output for system fail.
(Generate AC FAIL, DC FAIL, or COMM ERROR.)
Normal Open TB4-3 TB4-4 Normal: Open
Abnormal: Short
Normal Close TB4-3 TB4-5 Normal: Short
Abnormal: Open