Initial Troubleshooting / Error And Fault Codes - Pentair MASTERTEMP 200HD Installation And User Manual

Error and Fault Codes
Table 10. Heater Error and Fault Codes
Fault Condi�on
Water pressure switch
open
Hi temperature limit
switch open
Air flow switch open
Igni�on Control Module
Automa�c gas shu�off
Excessive stack flue
temperature
Open stack flue sensor
Shorted stack flue
sensor
Open water
temperature sensor
Shorted water
temperature sensor
P/N 474131 Rev. M 8/2020
Error Code Note
Displayed
ERR PS If water flow is established the
the error is cleared and normal
opera�on is resumed.
ERR HLS When the temperature falls
below 135°F the error is cleared
and normal opera�on is
resumed.
ERR AFS If adequate air flow through the
blower is established within 60
seconds the heater will resume
normal opera�on. If the error is
not corrected within 60 seconds
the heater will need to turned
off by pressing the HEATER OFF
bu�on.
ERR IGN To clear the error the HEATER
OFF bu�on must be pressed.
ERR AGS The front panel bu�ons will be
disabled. To reset the heater,
cycle power.
ERR SFS The front panel bu�ons will be
disabled. To reset the heater,
cycle power.
E05
E06 The front panel bu�ons will be
disabled. To reset the heater,
cycle power.
E01 To clear the error the HEATER
OFF bu�on must be pressed.
126
Section 1. Troubleshooting
Troubleshoo�ng
No water flow thru
heater
Water temperature a�er
the 1 st pass through the
heater exchanger is more
than 135°F.
The blower is not on or
air thru it is being
restricted
The Igni�on Control
Module was not able to
ignite the heater.
Water temperature a�er
the 2 nd pass thru the heat
exchanger is more than
140°F
The temperature of the
stack flue is more than
480°F
Follow diagram on page
53
Follow diagram on page
53
Follow diagram on page
52
Follow diagram on page
52
MasterTemp Pool and Spa Heater
47