Temperature Probe Open (Upper Or Lower) - State Water Heaters SUF 119300 Service Handbook

9. TEMPERATURE PROBE OPEN (UPPER OR LOWER)

Lower Temp Probe (Open)
0 days 0 hrs 0 mins ago
Error Code: 48- 0
The indicated temperature Probe
may be shorted or open. Check
connector and resistance of
Probe.
CHECK/ REPAIR:
• Make sure connector is clean and tight.
• Check probe's resistance.
• Replace the Temperature Probe if open (resistance exceeds 56,000 Ohms). See Temperature Probe
section under "Temperature Probe Short (Upper or Lower)" on page 28.
BACK ADVANCED
Servicing should only be performed by a Qualified Service Technician
CAUSES:
• The Upper or Lower Temperature Probe appears
to be open (very high resistance). This fault code
often means the connector has been corroded by
cleaning chemicals or other substances.
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