TS-6: Display Problems

Verify the boiler has a demand for heat or DHW

Is the display backlit?

Yes No
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#B6

Touch the display, does it light up?

Yes No
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#B9

Is the fan running?

Yes No
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#B12

Is the display showing ER011?

Yes No
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#B18

Is the display showing 00FF or ERFF?

Yes No
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#B25

Is the display showing ER0012?

Yes No
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#B33

Is the display showing “Loading” continuously?

Yes
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#B40

Set your meter to DC Volts, on the back of the display read voltage between + (Blue wire) & – (Pink wire). Do you read between 4.6 and 5.4 Vdc?

Yes No
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#G6

Is the green light lite on the Sage control?

Yes No
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#G12

Password has timed out. Neither the display or control are defective. Recycle the power to the boiler. Did problem resolve?

Yes No
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#G18

Check the wiring harmess fronm the control to the display. Verify the wires are tight in the harness under the screws. Are all wires connected snugly under screws?

Yes No
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#G25

Make necessary repairs.

Back
#G33

Replace display and/or Sage2 control

Done
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#G38

Check for DC volts on the Sage2 control J3 molex connector (green connector on the left end of the Sage2 control) for 5Vdc. Do you have 5 Vdc?

Yes No
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#N6

Is the green light flashing?

Yes No
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#N12

Call Tech Services

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#N18

Is boiler switch on, 120V to boiler?

Yes No
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#N25

Remove and meter the fuse on the low voltage PC board

Blown fuse Good fuse
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#N29

Make nessicary repairs to supply 120Vac to boiler. Problem Resolved?

Yes No
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#N33

Replace fuse, problem resolved

Yes No
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#N38

Check wiring to low voltage board. Verify thermostat wires are connected to R & W not R & C. Problem resolved?

Yes No
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#M43

Call Tech Services

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#N49

Replace the Sage2 Control

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#U6

Disconnect all molex connectors except connector plugged into J8-1. Did the light get steady?

Yes No
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#U12

Check for 24Vac between terminals J8-1 and J8-2. Is there 24Vac on these terminals?

Yes No
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#U18

Disconnect the molex connector on the secondary side of the transformer. Meter the Pink and Brown wires for 24Vac. Is there 24Vac on these wires?

Yes No
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#U25

Disconect the molex connect to the primary side of the transformer. Meter the Black & White wires boiler side of the connector, not the one going to the transformer. Is there 120Vac?

Yes No
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#U33

Replace transformer

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#U42

Unplug the harness from the control and the display. Verify there is good connections between the connectors and the wires. Check continunity between each end of the blue wire and the pink wire screws. Is there continunity on both tests?

Yes No
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#Z6

Plug in all molex connectors one at a time. When a connector is plugged in and the green light flashes there is an error on the wiring or mechanical devices to that molex connector.

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#AA16

Check continunity betwee J8-1 to the black wire in secondary side of trasformer harness. Is there continuity?

Yes No
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#AA25

Perform same as as last test except test between J8-2 & the Brown wire in the harness. Is there continuity?

Yes No
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#AA33

Replace Wire Harness

Back
#AA42

Repair incoming line voltage, switch etc problems.

Back
#AH33

Replace the display

Back
#AK6

Make repairs to wires. Recheck for dc volts

Done
Back
#AO6

Please contact Technical Support to resolve this issue.

Contact
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#ZZ1