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Replacement of batteries in TESCO1 gas control
The TESCO1 gas controls, which operate the appliance, are battery powered and require replacing
periodically. After removing plastic front cover from the controls the batteries are fitted and positioned as
shown below. Always replace the plastic cover once batteries have been fitted
Replacement of batteries in handset
The handset also has batteries as shown below .it is important the batteries are replaced every 12 months
Red indicator
Meaning
Permanently Lit
Valve tried to light but failed and in LOCKOUT E00
Flashing very fast
Valve is busy (will not accept any command )
Flashing once a second
Valve detects an error
Permanently off
valve in standby or in a stable operation
On momentarily after power up
valve doing a self test
Appears after pressing start
indicates time to release pressing the start button
What the meaning of the red indicator on valve and handset
