22
PROBLEM CAUSE
SOLUTION
Circuit Breaker
continuously trips upon
power up.
Mis-wired or
Short
1. Verify with a digital volt meter that current between
L1 & L2 is below 1 Amp.Wire per page (6) of
Installation Manual
Circuit Breaker
continuously trips when
Heaters are energized.
Wrong size GFI
Circuit Breaker
1. Replace Circuit Breaker with correct size (See
page 6 of Installation Manual)
High Grease Level
continuously activated.
1. Pump Failure
2. Solids build up
3. Out of
3.
Calibration
1. Enter Test Mode and initiate Pump Test (See
section 6, pages 8-9 of manual).
a. Check for clogged line.
b. Check fuse (#2) in Controller
c. Check fuse (XF2) on Interface Board
2. Inspect surface of Grease Interceptor
compartment for build up in area of probe.
3. Enter Test Mode and initiate Water Level Test.
Reading should be between 1.0 & 3.5.
a. Calibration (See section 7, pages 16-19 of
a.
manual)
b. Notify factory for assistance
Difficulty in calibrating
unit.
Poor Connection
to Probe
1. Verify connection between Probe and
Interface Board
Temp Switch LED
continuously on.
1. Temp in GRD
1.
above 110° F
2. Temp Switch
2.
Failure.
1. To verify, run cold water thru system until
temperature drops below 100° F.
NOTE: This process may take approx. 30 mins.
2. Meter Upper Thermostat located in Electronics
Compartment for Short or go to J102 cable on
Interface Board
Probe Failure
1. Build up
1.
around Probe.
2. Lost of
2.
electrical
2.
connection.
1. Enter Test Mode and initiate Water Level Test
(See section 6, pages 8-9 of manual). Observe
reading then initiate Pump Test for approx. one
minute. Wipe off Probe and recheck Water Level.
2. Check continuity from Probe to Interface Board
(J101) using Meter.
a. Check Frequency on Pin 3 and 8 of U24
a.
on Controller.
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