1-15
1.11 Interface Board Diagnostic Chart
The following diagram and charts provide ten quick system checks that can be performed using only
a multimeter.
Meter Setting
Test
Pin
Pin
Results
12 VAC Power
50 VAC Scale
3 of J2
1 of J2
12-16 VAC
24 VAC Power
50 VAC Scale
2 of J2
Chassis 24-30 VAC
*Probe Resistance (RH)
R X 1000 OHMS
11 of J2
10 of J2 See Chart
*Probe Resistance (LH)
R X 1000 OHMS
1 of J1
2 of J1
See Chart
High-Limit Continuity (RH)
R X 1 OHMS
9 of J2
6 of J2
0 - OHMS
High-Limit Continuity (LH)
R X 1 OHMS
6 of J1
9 of J1
0 - OHMS
Latch Contactor Coil (RH)
R X 1 OHMS
8 of J2
Chassis 3-10 OHMS
Latch Contactor Coil (LH)
R X 1 OHMS
5 of J1
Chassis 3-10 OHMS
Heat Contactor Coil (RH)
R X 1 OHMS
7 of J2
Chassis 11-15 OHMS
Heat Contactor Coil (LH)
R X 1 OHMS
4 of J1
Chassis 11-15 OHMS
* Disconnect 20-Pin harness from the controller before testing the probe circuit.
Diagnostic LED Legend
CMP indicates power from 12V transformer
24
indicates power from 24V transformer
HI
(RH) indicates output (closed) from right latch
relay
HI
(LH) indicates output (closed) from left latch
relay
HT
(RH) indicates output from right heat relay
HT
(LH) indicates output from left heat relay
AL
(RH) indicates output (open) from right latch
relay
AL
(LH) indicates output (open) from left latch
relay
NOTE –
When testing the test points on J1
and J2 pin 1 is located in the bottom right corner of
both J1 and J2. These test points are ONLY
for boards with J1 and J2 plugs on the front
of the board.
PN 106-6664
Содержание 1814E Series
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Страница 32: ...1 27 1 13 11 Contactor 17kW Dual Vat DELTA Configuration Mechanical 208 250V 480V...
Страница 33: ...1 28 1 13 12 Contactor 22kW Full Vat DELTA Configuration Solid State Relay 208 250V...
Страница 34: ...1 29 1 13 13 Contactor 22kW Full Vat DELTA Configuration Mechanical 208 250V...
Страница 35: ...1 30 1 13 14 Contactor 22kW Full Vat DELTA Configuration Mechanical 480V...
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Страница 55: ...2 16 2 5 3 Heating Element Assemblies and Associated Parts 2 5 3 1 Element Assemblies and Hardware...
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