Hayward HydroRite UVO3 Troubleshooting Manual page 29

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1. 'SYS ERR' Appears on Display (cont.)

High chlorine residuals may cause the UV efficiency reading to be lower than

expected. An imbalance in water chemistry should be corrected before replacing

hardware.

Test Chemistry

Verify Lamp Run Hours

Step 1C

Step 1D

Test the water chemistry, following the table on page

Press & hold the menu button, until the 'CLr' appears.

14. High levels of chlorine can lower lamp readings. IF

Press the down arrow repeatedly until 'run' appears,

water chemistry is not fully balanced, correct this and

then press enter. IF service hours are 9,000 *(900.) or

retest (30 minutes). IF chemistry is balanced, proceed

greater, replace lamps. IF not, contact tech support

to step 1D.

(908) 355.7995.

*NOTE: Lamp hours will appear in standard units up to 999 hours. Numbers greater

than 999 will appear in tens, with a decimal at the end (for example 1,000 hours will

appear as 100.).

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