Table 5-1. DS and GS Troubleshooting
TEST OR INSPECTION
1. Hypochlorite Level In Water Low.
Step 1. Check suction hose and fittings for air leaks.
Tighten loose connections.
Replace suction hose assy in accordance with para. 5-9.
Step 2. Remove and inspect impulse diaphragm for damage.
If diaphragm is damaged replace in accordance with para. 5-9.
Step 3. Check solution level in reservoir in accordance with operating instructions in chapter 2.
If solution level is low, add solution.
2. Hypochlorinator Pump Shaft Not Rotating.
Check setting on stroke adjustment knob and ensure flow meter is operating in accordance with
If meter not operating, remove and replace meter.
Remove unit housing and check for worn or damaged parts in accordance with para. 5-9.
Check bypass valve ensuring that flow is not being blocked.
If valve is clogged or blocked, remove blockage.
3. No Flow In Reagent Head Assy.
Step 1. Inspect suction and discharge check valves.
Remove check valves from assy. Inspect valve seats for smoothness and cleanliness in accordance
with para. 5-8.
If valve stems or bodies are damaged, replace with serviceable vakes in accordance with para. 5-8.
Step 2. Inspect suction and discharge hose assys for leaks or obstructions.
Clear any stoppages in hose assys.
Replace hose assys and gaskets in accordance with para. 5-8.
5-2 Change 1