Saturn KDB - 161 GOM Manual page 71

12
Splitter Valve
No Symptoms and Causes
When the high limit sensor (98 ) located
on the upper right pipe of the main heat
exchanger starts operation.
1 The heating valve is shut down and the
temperature abruptly goes up.
2 The hot water sensor in ON and the 3-
way valve shuts off the heating side.
3 The high limit sensor is defective and
failure code # 16 is displayed when the
boiler does not operate.
# 16 Failure
Hot Water Flow Switch
<Fig. 1>
- Open the splitter valve if it is closed.
- Separate the hot water flow switch jack and if
the 3-way valve goes back to its initial position,
the hot water flow switch is defective and has
to be replaced.
- Replace the high limit sensor.
- If the symptoms remain after checking the
above, replace the main controller.
- 71 -
Mechanical overheat
Terminal separation
<Fig. 2>
Solutions
KDB-GOM
Series
High Limit Sensor
<Fig. 3>
Reference
<Fig. 1>
<Fig. 2>
<Fig. 3>