SVC 820-Tankless Gas Trouble Shooting Manual Page |
93
93
99 – Error Code
Explanation:
The unit detected blockage in the venting during post-purge cycle. Blockage was detected when the demand for
hot water terminated and burner was OFF. This error code will only occur at time of shut down.
*Unit must be reset by performing reset procedure on page 21.
Possible Causes:
•
Venting
VENTING:
**REFER TO USE & CARE MANUAL**
Visually inspect venting for possible blockage and/or recirculation of exhaust.
1.
Approved Venting Materials
2.
Approved Vent Terminations
3.
Vent Lengths
4.
Location Of Vent Termination (Recirculation of exhaust)
5.
Blocked Venting
6.
Venting Not Sealed Properly
Summary of Contents for PH2-20R DVSN
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 ...