Raypak Mini Split Error Codes
A-codes
- Raypak Air Flow Sw Open / Air Flow Sw Closed / Fan Lockout error code draft
The inducer airflow switch did not match the fan state; three fan-switch faults in one demand create lockout.… - Raypak Aux Ctrl Fault 2 / 3 / 5 / 6 / 8 error code draft
Digital-control ROM, RAM, analog-reference, multiplexer, or clock fault.…
B-codes
- Raypak Blocked Vent / Vent Temp Limit error code draft
The vent safety or vent-temperature limit is open.…
C-codes
- Raypak Clock/Fireman Sw error code draft
Fireman or remote switch in the safety loop is OFF…
F-codes
- Raypak Fan RPM Fault error code draft
Actual fan speed differs from target by more than 500 RPM.… - Raypak Flue Over Temp / Flue Sense Fail / Blocked Drain error code draft
The flue is too hot, its sensor failed, or the condensate-drain switch is closed.…
H-codes
- Raypak H2O Sensor Fail error code draft
Water-temperature sensors are open, shorted, or disagree.… - Raypak Harmonics or whining noise error code draft
Check U.G. (unitized gas valve) movement in hot water above 110 deg F. Look for debris or restriction in the w… - Raypak Heater cycles on and off continuously error code draft
Clean or replace a dirty filter, raise a low pool water level, adjust the external bypass, or adjust an out-of… - Raypak Hi Water Temp / Hi Limit 1 Fault / Hi Limit 2 Fault error code draft
Water exceeded 108°F or a high-limit circuit opened.…
I-codes
- Raypak Ign Ctrl Fault 2 / 3 / 5 / 6 / 7 error code draft
Ignition-control ROM, RAM, analog, flame-sense, or execution fault.… - Raypak Ignition Failure / Ign 60 min Delay / Ignition Lockout error code draft
Flame was not established within the permitted trial sequence.… - Raypak Ignition Lockout error code draft
Pilot flame not established, or lost during trial for main burner…
L-codes
- Raypak Liming or scale forming in the exchanger error code draft
Correct pool water chemistry first. Inspect the bypass for movement and replace if none; replace the U.G. if i… - Raypak Low Temp Lockout / Low Voltage error code draft
Water is below 36°F, or control supply is below 20 V.…
M-codes
- Raypak MV Output Fault / Flame w/o CFH error code draft
The gas-valve output is wrong or flame is sensed with the valve closed.…
S-codes
- Raypak Sooting error code draft
Reduce high flow rates with a manual bypass valve (target 105-110 deg F outlet). Check U.G. movement, air star…
T-codes
- Raypak Takes too long to heat pool or spa error code draft
Confirm the heater isn't undersized for the pool gallonage, reset the time clock for adequate filter run time,…
W-codes
- Raypak WPS Stuck Closed / Water Sw Open error code draft
The water-flow switch does not match the current operating state.…