SVC 820-Tankless Gas Trouble Shooting Manual Page |
23
23
P1 - Warning Code
Explanation:
No hot water is delivered when water is flowing through unit and Remote Control displays
P1
. When water flow
does not reach a minimum 0.4 GPM rate @ 35
o
T, for five seconds,
P1
warning code is displayed.
Possible Causes:
•
Not Enough Water Flow
Water Flow:
Turn the water supply to the unit off. Turn the remote thermostat off, wait 10 seconds and turn the remote thermostat on.
Turn the water supply to the unit on and check the nearest hot water fixture for hot water. If you have hot water, then the unit
needed to be reset.
Your water lines might be crossed. Make sure your hot and cold water supply lines are connected to the appropriate hot and
cold water connections on the unit.
Water flow might be too low. Open multiple hot water fixtures. If unit fires then there is not enough water flow to engage the
unit at a particular fixture. Check your fixture aerator screen(s) for debris. Clean if necessary.
Your water flow may be restricted by a dirty In-Line Water Filter. Remove the water filter and inspect. Clean if necessary.
Summary of Contents for PH2-20R OFN
Page 158: ...158 Schematic Disassembly PH2 20RDVS PH2 25RDVS PH2 28RDVS...
Page 159: ...159 Schematic Disassembly PH2 20RDVS PH2 25RDVS PH2 28RDVS...
Page 160: ...160 Schematic Disassembly PH2 20RDVS PH2 25RDVS PH2 28RDVS...
Page 162: ...162 Schematic Disassembly PH2 20ROF PH2 25ROF PH2 28ROF...
Page 163: ...163 Schematic Disassembly PH2 20ROF PH2 25ROF PH2 28ROF...
Page 164: ...164 Schematic Disassembly PH2 20ROF PH2 25ROF PH2 28ROF...
Page 166: ...Schematic Disassembly PHH 32RDV PHH 25RDV 166...
Page 167: ...Schematic Disassembly PHH 32RDV PHH 25RDV 167...
Page 169: ...169 Schematic Disassembly PHH 32ROF PHH 25ROF...
