If You Need Service; Call For Assistance - Rheem RTGH-95XLP-2 Use And Care Manual

95% condensing tankless water heater
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CARING FOR YOUR WATER HEATER
Service Error Code Chart (cont.)
Error Code

IF YOU NEED SERVICE

Call for Assistance

1. All questions, adjustments, repairs, and/or routine
maintenance should be directed to your installer,
plumbing contractor, or licensed service agent. If your
contacts have moved or are not available, please refer
to the telephone directory, commercial listings, or local
utility company for qualified service assistance.
2. If your problem has not been solved to your
satisfaction, contact the Manufacturer National Service
Department at the following address:
Manufacturer National Service Department
1241 Carwood Court
Montgomery, Alabama 36117
Phone: 1-866-720-2076
26
Possible Cause
Water heater has buildup of lime deposits.
1L
Air intake or vent exhaust opening may be
blocked.
05
The vent pipes on the vent termination may
not be connected properly.
11
The gas shut-off valve is not fully opened.
Gas service has been interrupted.
12
LP gas is running low (LP models only).
If this code is still displayed after taking the
13
numbered steps above.
Water heater is overheating.
14
The heat exchanger is too hot.
15
Neutralizer is clogged.
29
Faulty inlet thermistor.
31
Faulty outlet thermistor.
33
Faulty blower motor.
61 or 99
Faulty water flow solenoid.
65
The neutralizer needs to be replaced soon.
92
The neutralizer must be replaced.
93
P1
Not enough water flow to operate the unit.
Reminder of flushing the heat exchanger and/
88
or replacing the water treatment filter.
Solution
Contact a dealer or qualified service techni-
cian.
Remove any blockage. (Air intake requires 12
in. [30 cm] of clearance.)
Contact a dealer or qualified service techni-
cian.
Check shut-off valve and open completely.
Contact your gas utility company.
Refill or replace your LP gas container.
Contact a dealer or qualified service techni-
cian.
Contact a dealer or qualified service techni-
cian.
Check for blockage in the vent. Contact a
dealer or qualified service technician.
Contact a dealer or qualified service techni-
cian.
Contact a dealer or qualified service techni-
cian.
Contact a dealer or qualified service techni-
cian.
Contact a dealer or qualified service techni-
cian.
Contact a dealer or qualified service techni-
cian.
The unit can be used for a while, but contact
a dealer or qualified service technician.
The unit cannot be used until the neutralizer
is replaced. Contact a dealer or qualified
service technician.
Increase the water flow from the fixtures.
Contact a dealer or qualified service techni-
cian.
When contacting the manufacturer, the following
information will be requested:
A. Model and serial number. (See page 8 or the ratings
plate on the side of the water heater.)
B. Address where the water heater is located.
C. Name and address of installation contractors (page
8) and all qualified service companies that have worked
on the water heater.
D. Original installation date. (See page 8.)
E. Dates any service or preventive maintenance was
performed.
F. Details of the persisting problem.
G. List of businesses that have tried to fix this problem,
along with dates of service.

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