Rheem 70103 - Heating and Temperature Faults; Error Codes K, L, N

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TM063 701, 702 & 703 Series Boiling Water Unit Service Instructions
Revision D: Feb 2017
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Error Code K
Error Code K
Chiller Compressor
fault
701, 702 & 703 Series BWU’s do
not use compressor, error code
K is not applicable. Continue
fault finding.
Error Code L
Error Code N
NO
YES
Is level probe ok?
(TEST 4)
Error Code N
Excessive
temperature rise
Ensure probes are not touching
each other, the tank or the
element (earth).
Repair or replace S/C
level probe wiring.