SVC 810 Tankless Troubleshooting Manual
41
Unit Will Not Power On
Explanation: Nothing happens when water is flowing through unit. At a minimum check the
following in all cases:
1.
Make sure unit is connected to proper 3 prong, grounded power supply and circuit
breakers are on.
2.
Clean cold inlet water supply filter. Ensure you have at least the minimum flow rate
required to fire unit. Turn on several fixtures to make sure.
3.
On new installations ensure hot and cold water lines are not crossed. Make sure the unit
is plumbed cold in to cold inlet. Unit will not fire off if water is running backwards.
Yes
No
Go to 1Y and verify zero flow rate. If there is
ANY flow rate at 1Y; the unit will not power on.
Will the unit
go into
Maintenance
Mode?
Yes
Check voltage at wall plug and circuit breaker for
acceptable levels. Repair as required. This is not
a water heater issue. This is an electrical issue.
Is there
voltage at the
wall plug?
No
Plug unit into a grounded, 3
prong wall plug. Verify hard
wire to unit if applicable.
Verify breaker at service panel
is not tripped.
Is the power
cord plugged
in? Is the
hardwiring
connected?
No
Yes
To access the Maintenance Display, turn the unit OFF. Then hold
down the UP and DOWN arrow keys at the same time for a few
seconds. You will hear an audible beep and see the display go to 0E.
By pressing the UP and DOWN arrow keys on the remote display, you
can access a variety of information about the machine.
Содержание SVC 810
Страница 21: ...SVC 810 Tankless Troubleshooting Manual 20 Fan Speed Chart ...
Страница 22: ...SVC 810 Tankless Troubleshooting Manual 21 RTG2 42 Wiring Diagram ...
Страница 23: ...SVC 810 Tankless Troubleshooting Manual 22 Printed Circuit Board ...
Страница 24: ...SVC 810 Tankless Troubleshooting Manual 23 RTG 53 Wiring Diagram RTG 53 ...
Страница 25: ...SVC 810 Tankless Troubleshooting Manual 24 Printed Circuit Board RTG 53 ...
Страница 26: ...SVC 810 Tankless Troubleshooting Manual 25 RTG 66 Wiring Diagram ...
Страница 36: ...SVC 810 Tankless Troubleshooting Manual 35 Printed Circuit Board RTG 74 ...