Meco Pellematic PES 12-20, Руководство по установке

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Malfunctions
80
Table 13.13 Boiler controlled pump
Display: Boiler contr P
Description: Boiler controlled pump malfunction
Cause and Remedy: pump unplugged ► plug in pump, check cable connections
power too high ► too low adjusted, pump sticks or is defective
power too low ► too high adjusted, pump sticks or is defective
pump is sticking
make the pump easy-running
pump defective
► replace pump
Table 13.14 Safety temperature limiter and Low H2O / —F1
Display: Safety T sys
Description: Safety temperature limiter has tripped
Cause and Remedy: safety temperature limiter
unplugged ► connect up safety temperature limiter and check cable
connections
safety temperature limiter
has tripped ► check boiler controller
safety temperature limiter
defect
► allow boiler to cool and reset alarm
Display: Low H2O/ – F1
Description: Low H2O has been actuated
Cause and Remedy: low H2O unplugged ► connect up low H2O and check cable connections
low H2O button has been
pressed
► reset low H2O switch
low H2O defect
► replace low H2O switch
fuse –F1of controller
defective ► replace fuse –F1 of controller
Table 13.15 Wrong system
Display: Wrong system
Description: The wrong program has been saved to the boiler controller
Cause and Remedy: wrong program ► upload and save the correct program to the boiler
controller — see appendix
Table 13.16 External de-ashing system (optional)
Display: Ash box full
Description: The alarm text "Ash box full" is displayed after the motor has made 3 unsuccessful
attempts to reach the normal speed of the external de-ashing system.
Cause and Remedy: Ash box is full ► Empty ash box, reset alarm text by pressing Enter.
The status of the boiler is displayed on screen.
Ash box is not securely
mounted ► Check position of ash box and adjust if required.
Installation Manual PES 36–56 PE 3671 USA 2.3