TQ Series Technical Manual
9.9.04 Operation and Maintenance Page 26
Rev. 5
No reject water
Plugged drain line or outlet Check and clean.
Low flow rate at point of use
Low water production See “No water or not enough water.”
Tank lost air precharge Pump up air precharge to 7 psi. and check for cause of
failure.
Tank diaphragm failed Replace as necessary.
Pump pressure low Check and adjust.
Bad tasting water
Increase in product TDS See “High product water TDS.”
Postfilter cartridges exhausted Replace filter cartridges.
Tank contaminated Re-sanitize tank/system, and replace post filter
cartridge.
Unit cycles on/off intermittently
Air precharge too low Adjust to 7 psi while the tank is empty.
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