FOUR WINDS INTERNATIONAL Chateau, Owner'S Manual

Page: 105 / 146

FOUR WINDS INTERNATIONAL
In many cases a malfunction of one of the above components will be reflected in another, which
can result in misdiagnosis of the actual problem. Ventline recommends a consistent, methodical
approach to troubleshooting in order to diagnose and correct the problem with the minimum
investment in time and resources.
Prior to troubleshooting any monitor panel problem, verify the following:
1. You are in possession of the correct wiring diagram for the specific system requiring
diagnostics.
2. The 12 Volt power source is present and originates from the battery or the filtered side of
the power converter.
3. The chassis ground is present and has a good connection through the negative side of the
battery.
4. The monitor panel assembly has been inspected and is free from damage. Check for
broken wires, loose components and connectors.
5. The wiring harness is connected properly and is free from damage.
6. The tank sensor and level sensor wires are connected properly and are free from damage.
7. The tank level sensors are properly located and are free from damage.
8. All wiring is done in accordance with the wiring diagram.
9. All of the above components are accessible during troubleshooting.
After the above is verified, proceed with troubleshooting the system. Refer to the monitor panel
troubleshooting guide supplied separately from this owners manual.
The accuracy of two wire holding tank monitoring systems can be adversely affected by dirty tanks,
unusual mineral content in the water, or improper holding tank probe location. These conditions
can cause the monitoring system to have oversensitive (reads higher than actual level) or under
sensitive (reads lower than actual level) readings.
Oversensitive readings can occur as a result of scum buildup on the tank walls, abnormally high
mineral content in the water, or incorrectly located holding tank probes. In these situations, the
monitoring system indicates higher levels than are actually present in the holding tank.
Certain cleaning products and food byproducts can build up on the inside walls of the holding
tanks, producing a layer of scum that can cause the monitoring system to read higher than the
actual level. To correct this problem, the holding tanks should be cleaned periodically (consult
dealer for cleaning instructions). If the problem persists after cleaning the holding tank, the ground
probe can be moved farther away from the other tank probes. The increased distance between the
ground probe and the other probes will decrease the sensitivity of the monitoring systems.
Water Systems
8-6
Inaccurate Holding Tank Level Readings
Oversensitive Readings