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Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
'E97B'?D9EBDKJ>EH?P;:!?;B:.;HL?9;!79?B?JO for technical troubleshooting assistance before you proceed.
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331 Peak input current limit
333 Under-voltage lockout
336 Thermal Fault
337 Pre-charge timeout
346 Transformer primary over current
Other
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Input current limit has been exceeded. Typically indicates short
term power overload. If problem persists contact Service
Department.
+15 VDC supply on Input control board too low. Verify input voltage
is within the acceptable range. If problem persists contact service
department.
Thermostat on primary module tripped. Typically caused by bottom
fan not working.
Problem with start-up sequence. If problem persists contact Service
Department.
Transformer current too high. Typically indicates short term power
overload. If problem persists contact service department.
Contact the Service Department.