Graco REACTOR E-XP1

Temperature Control Diagnostic Codes
12 309574L
3. With the main power off, the hose plugged in, and
wire harness from the connector J13 still removed
from the temperature control board:
a. Check for continuity between Pin 1 on the J13
harness, and the bottom of the left 20-amp hose
breaker. See F
IG. 2.
b. Check for continuity between Pin 2 on the J13
harness, and one of the leads of the black
In-rush limiter located on the upper left hand
side the transformer.
c. Check for continuity between Pin 3 on the J13
harness, and the bottom of the right 20-amp
hose breaker.
d. Check for continuity between Pin 4 on the J13
harness, and the opposite lead of the black
In-rush limiter from step b, located on the upper
left hand side the transformer.
e. Check for continuity between Pin 5 on the J13
harness, and the bottom of the 50-amp hose
breaker.
F
IG. 2
1
2
3
4
5
6
1 2 3
J13
Tra n s fo r me r
456 78
9
50 FT
100 FT
150 FT
200 FT
250 FT
300 FT
Front of
Black
Red
Transformer
1 2 3
Back of
Transformer
3-Pin Connector
Wire No. 3
(from back of transformer)
Wire No. 2 (already connected)
Terminal Block
Wire No. 2 (from
back of transformer)
Wire No. 1 (from
back of transformer)
Wire No. 1 (already connected)
To
Hose
50
A
Hose
A
BPump
Wire harness
15B378